The Delivery Barcode Sorter reads the barcode on letters and sorts them at 36,000 pieces per hour.

The Mail Transport Equipment Ordering system was introduced in 2012. MTEOR standardizes the ordering process for mail transport equipment, allowing mailers to order it online and improve equipment management efficiency.

Tray sorting machines sort more than 18 million trays per day through conveyor systems.

The Postal Service uses more than 8,500 pieces of automated processing equipment to sort nearly half the world's mail.

Mobile Delivery Devices provide real-time scanning for daily delivery operations. There are more than 260,000 devices in use nationwide.

The Postal Service has 16,000 virtual servers in use today, helping save space and reduce power consumption in our data centers.

The Postal Service automatically blocks $1 million per month in potential fraudulent transactions for money order purchases.

USPS is staying CyberSafe. In 2017 we blocked nearly 1.7 million email messages due to spam, more than 330,000 emails due to content and 5,000 malware attempts.

More than 381 million credit and debit card transactions are processed annually through IT systems in Post Offices and through usps.com. These systems authorized more than $12 billion per year in debit/credit revenue for the Postal Service.

The Postal Service maintains 45,000 point-of-sale terminals and 2,837 self-service retail kiosks nationwide.

The Postal Service's Judicial Officer Department is a court system that conducts hearings and neutrally resolves a wide variety of disputes involving postal matters.

The Advanced Facer Canceller System positions letter mail and cancels stamps at 36,000 per hour.

The Postal Service is one of the largest material-handling systems in the world for moving mail. There are more than 200 miles of conveyors within postal facilities.

The Postal Service is the world leader in optical character recognition technology with machines reading nearly 98 percent of all hand-addressed letters and 99.5 percent of machine-printed mail.

On eligible mailpieces, Picture Permit Indicia can include a corporate logo, brand image or trademark to raise brand awareness and market products and services.

Combine pixels and paper to create Irresistible Mail. By using mobile technology, business customers can increase the impact of their direct mail with customized QR codes and augmented reality to help turn interest into action and create interactive experiences.

A unique Intelligent Mail barcode identifies individual pieces of mail, trays, sacks and containers to track them through the postal processing system from induction to delivery.

Every Door Direct Mail is an online service that uses demographic data to help business mailers make sure their marketing messages reach the right customers in a select neighborhood, city or ZIP Code. Since 2011, there have been more than 3.4 million transactions, 6 billion mailpieces and $2.6 billion in revenue.

With Informed Delivery service, you can digitally preview your incoming mail and manage your packages from a computer, tablet or mobile device. More than 8 million customers have enrolled in this free service since it launched in 2017. Residential consumers and residential PO Box customers can sign up at usps.com.

Our communications network supports and maintains more than 145,000 desktop computers, 23,000 notebook computers, 97,000 printers, 27,000 mobile devices including smartphones, 400,000 phone lines and 310,000 handheld scanners.

The Postal Service has the largest gantry robotic fleet in the world using 174 robotics systems to move 314,000 mail trays per day.

The Postal Service automatically blocks $1 million per month in potential fraudulent transactions for money order purchases.

Postal Inspectors in partnership with AARP launched "Operation Protect Veterans" to raise awareness of scams that are targeted toward military veterans.

In 1971 the Postal Inspection Service became one of the first federal law enforcement organizations to hire female agents.

During 2017, there were eight national mail screening events, including the Super Bowl. More than 17,000 mailpieces and private courier deliveries were screened at the events, heightening safety and security for all.

Postal Inspectors educate the American public about scams and how to avoid them. A weekly TV series, The Inspectors, is based on real-life cases. This innovative program reaches 1 million viewers weekly.

Forensic scientists examined 117,227 physical evidence items at the Postal Inspection Service's state-of-the-art National Forensic Laboratory, leading to 940 suspects identified.

Postal Inspectors conducted 34 investigations of the use of mail to exploit children and made 15 arrests.

Postal Inspectors investigated 626 reported threats and assaults against postal employees during 2017. They made 259 arrests that resulted in 160 convictions.

The Postal Inspection Service seized 40,489 pounds of illegal narcotics and drug-trafficking assets worth $22.4 million in 2017.

Postal Inspectors responded to and investigated 2,282 suspicious mail incidents in 2017. There were no fatalities.

Postal Inspectors in 2017 recovered misappropriated or stolen mail transport equipment worth $1.5 million.

The Postal Service and Postal Inspection Service provide education, tools and information to combat identity theft and mail fraud during National Consumer Protection Week, the Federal Trade Commission's annual awareness campaign.

Security. U.S. Mail is protected by more than 200 federal laws enforced by the Postal Inspection Service, one of the nation's oldest law enforcement agencies.

Postal Inspectors reported 5,538 arrests and 4,679 convictions related to postal crimes, primarily those involving mail theft, mail fraud and prohibited mailings in 2017.

The most unusual delivery method used by USPS is a mule train in Arizona. The mules carry mail, food and supplies down an 8-mile trail to the Havasupai Indians at the bottom of the Grand Canyon.

Franklin is the most common city name in the country with 31. Clinton and Washington are tied for second with 29 and Arlington is at third with 28. The most common Post Office name is Clinton, with 26 locations, followed by Madison with 25 and Franklin and Washington tied for third with 24.

The longest main street is in Island Park, ID, and is 33 miles long.

The most common street name in the country is Main - more than 13,000 of them - followed by 2nd and Maple, with more than 8,000 each.

The ZIP Code with the most possible street deliveries is Cathedral Station, NY's 10025 - with 45,742!

Our Post Offices located on the North Slope of Alaska, in Barrow and Wainwright, experience the coldest temperatures.

The shortest rural delivery route is in Athens, GA. The carrier travels 0.18 miles and delivers to 280 boxes.

The longest rural delivery route is in Erie, KS. The carrier travels 185.4 miles and delivers to 174 boxes.

The easiest to remember ZIP Code is 12345, a unique ZIP Code for General Electric in Schenectady, NY.

The highest ZIP Code number is 99950 in Ketchikan, AK.

The lowest ZIP Code number is 00501, unique for the Internal Revenue Service in Holtsville, NY.

Dock-to-dock delivery on the Magnolia River in Alabama. A 15-foot contract mail boat delivers to 176 dock-side mailboxes on a 31-mile stretch of the river.

Boat delivery is available on the Detroit River in Michigan. The JW Westcott is a 45-foot contract mail boat that delivers mail to passing ships and has its own ZIP Code: 48222.

Stamp Fulfillment Services in Kansas City, MO, is located in a limestone cave 150 feet underground. It keeps inventory and employees safe from snow, flooding, winds and tornadoes common in the Midwest.

The Post Office in most need of a bridge is in Point Roberts, WA. It can be reached by car only by driving through British Columbia, Canada. Only a boat or float plane can travel directly there.

The most extraordinary Post Office is in Peach Springs, AZ. The building includes walk-in freezers for food destined for delivery to the bottom of the Grand Canyon by mule train.

The second oldest Post Office location is in Castine, ME, from 1833.

The Hinsdale, NH, Post Office has been located in the same building since 1816.

The largest U.S. Postal Service retail space is the James A. Farley Post Office in New York, NY, at 393,000 square feet.

The smallest Post Office is located in Ochopee, FL, at 61.3 square feet. The building used to be a storage facility for irrigation pipes of an adjacent tomato farm. It was converted into a Post Office in 1953, after a fire that destroyed a previous Post Office and general store.

The most centered Post Office within the 48 contiguous states is located in Lebanon, KS.

The most centered Post Office within all 50 states is located in Belle Fourche, SD.

The northernmost post office location within the 50 states is in Barrow, AK.

The northernmost Post Office location within the 48 contiguous states is in Angle Inlet, MN.

The southernmost Post Office location within the 50 states is located in Naalehu, HI.

The southernmost Post Office location within the 48 contiguous states is located in Key West, FL.

The easternmost Post Office location in the 50 states is in Lubec, ME.

The westernmost Post Office location in the 50 states is in Adak, AK.

The westernmost Post Office location in the 48 contiguous states is in La Push, WA.

The wettest Post Office is at Mt. Waialeale, near the Kapaa Post Office in Hawaii.

The lowest U.S. Post Office is located in Death Valley, CA, at 282 feet below sea level. This is also the driest and hottest Post Office location.

The highest Post Office in the United States is located in Alma, CO, at 10,578 feet.

The northernmost Post Office location within the 50 United States of America is in Barrow, AK.

Sunday best. In 2017, the Postal Service continued to expand Sunday package delivery to meet the shipping needs of customers shopping online.

Priority: YOU! Our priority is and always will be delivering great service that's affordable and dependable. When you ship with Priority Mail, you get free shipping supplies, flat-rate options, insurance included, USPS Tracking and easy online tools. It all adds up to one of the best values in the shipping business!

We help our customers reduce waste, increase recycling and improve their carbon footprint through our BlueEarth programs.

Click-N-Ship customers can print shipping labels with postage for Priority Mail Express, Priority Mail, Global Express Guaranteed, Priority Mail International, Priority Mail Express International and First-Class Package International Service.

The Military Care Kit contains six Priority Mail Flat Rate Boxes - two large and four medium - six address labels, one roll of tape and six customs forms. The kit can be ordered online at shop.usps.com at no charge.

Commercial mailers can use the third ounce of First-Class presort letters to enclose promotional materials like coupons and advertising for their customers with no extra charge by the Postal Service.

On eligible mailpieces, Picture Permit Indicia can include a corporate logo, brand image or trademark to raise brand awareness and market products and services.

Every Door Direct Mail is an online service that uses demographic data to help business mailers make sure their marketing messages reach the right customers in a select neighborhood, city or ZIP Code. Since 2011, there have been more than 3.4 million transactions, 6 billion mailpieces and $2.6 billion in revenue.

With Informed Delivery service, you can digitally preview your incoming mail and manage your packages from a computer, tablet or mobile device. More than 8 million customers have enrolled in this free service since it launched in 2017. Residential consumers and residential PO Box customers can sign up at usps.com.

With Package Pickup, customers can go online to request Priority Mail Express and Priority Mail packages be picked up at their homes or offices as part of the mail carrier’s regular route — for free.

The Postal Service issues 286,137 money orders daily.

The Postal Service brings in $982,838 daily from online stamp and retail sales at usps.com

The Postal Service processes 121,452 address changes daily.

The Postal Service has 6.3 million people visit usps.com.

The Postal Service has 6,955 letter carriers who deliver mail entirely on foot - the USPS Fleet of Feet.

Each day, $170.6 million is paid to USPS employees in salaries and benefits.

The Postal Service processes and delivers 493.4 million mailpieces each day. That's an average of 20.6 million each hour, 342,638 per minute and 5,711 mailpieces processed every second.

Zero tax dollars used. The Postal Service receives NO tax dollars for operating expenses and relies on the sale of postage, products and services to fund its operations.

The Postal Service generates, on average, $229.7 million in revenue per day.

In 1913, an 8-month-old baby in Ohio was mailed by his parents to his grandmother who lived a few miles away.

Megan J. Brennan is the 74th Postmaster General of the United States.

More than 1,400 postal-owned buildings are listed on the National Register of Historic Places.

The Postal Service's Judicial Officer Department is a court system that conducts hearings and neutrally resolves a wide variety of disputes involving postal matters.

Postal Customer Councils connect business mailers with local Post Office leadership to develop more effective and profitable mailings through training and information sharing. About 155 local PCCs support 80,000 members.

Representing select mailing associations, the Postmaster General's Mailers Technical Advisory Committee works to enhance the value of mail by providing technical advice and recommendations to the Postal Service.

The National Postal Forum is an annual mailing industry conference that provides educational and networking opportunities for thousands of business customers. Attendees learn about the latest mail trends and innovations through more than 100 workshops and seminars.

The Postal Service has no official motto. It's not this phrase: "Neither snow nor rain nor heat nor gloom of night stays these couriers from the swift completion of their appointed rounds."

The Post Office Department was founded in 1775 with Benjamin Franklin as the first Postmaster General. His annual salary was $1,000. That makes us the second oldest federal department. Before 1971, the PMG was a Cabinet member.

Each military service managed its own mail program until 1980 when the Military Postal Service Agency was formed.

The Military Care Kit contains six Priority Mail Flat Rate Boxes - two large and four medium - six address labels, one roll of tape and six customs forms. The kit can be ordered online at shop.usps.com at no charge.

Veterans. The Postal Service employs more than 105,000 military veterans. USPS also has issued more than 140 stamps honoring the nation's military history.

The Postal Service and Postal Inspection Service provide education, tools and information to combat identity theft and mail fraud during National Consumer Protection Week, the Federal Trade Commission's annual awareness campaign.

The Postal Service partners with Be The Match Foundation to help people dealing with life-threatening diseases. Since 1998, more than 61,200 postal employees and their family members have joined the national marrow donor registry - the largest number from a single private or public organization in the United States.

With our carriers delivering to homes where there are pets, the Postal Service during National Dog Bite Prevention Week highlights safety initiatives and dog bite prevention tips to protect employees and customers. In 2017, more than 6,000 employees were attacked by dogs in more than 2,500 cities.

For 105 years, postal employees, charities, and individual and corporate volunteers have helped spread the magic of the holiday season to families in need by answering and "adopting" letters mailed to Santa.

All heart. The Postal Service is the core of the $1.4 trillion U.S. mailing industry that employs more than 7.5 million people.

Heroes. Postal employees regularly go beyond the call of duty to protect the lives of customers they serve, including older and disabled customers through the Carrier Alert Program. In fiscal year 2017, the Postal Service recognized 318 heroic employees.

The Pony Express was in operation only from April 3, 1860, to Oct. 26, 1861. It was never part of the U.S. Postal Service.

The Postal Service and the National Association of Letter Carriers hold the largest one-day food drive in the nation. Almost 1.6 billion pounds of food have been collected and donated since the campaign began in 1993.

Click-N-Ship customers can print shipping labels with postage for Priority Mail Express, Priority Mail, Global Express Guaranteed, Priority Mail International, Priority Mail Express International and First-Class Package International Service.

In 2017, there were more than 62 million visitors to the Postal Service's mobile site - m.usps.com - averaging more than 450,000 visits each day.

There's a Post Office on your phone. The Postal Service app - USPS Mobile - was downloaded 2.5 million times in 2017.

More than 381 million credit and debit card transactions are processed annually through IT systems in Post Offices and through usps.com. These systems authorized more than $12 billion per year in debit/credit revenue for the Postal Service.

The Postal Service maintains 45,000 point-of-sale terminals and 2,837 self-service retail kiosks nationwide.

In 2017, the Postal Service received $418.4 million in revenue from 2,837 postal self-service kiosks.

Nearly 37 million address changes were submitted online at usps.com in 2017.

More than 6.5 million passport applications were accepted at Post Offices during 2017, resulting in $164.5 million in revenue for the Postal Service.

More than 1,400 postal-owned buildings are listed on the National Register of Historic Places.

Commercial mailers can use the third ounce of First-Class presort letters to enclose promotional materials like coupons and advertising for their customers with no extra charge by the Postal Service.

The Postal Service recorded 857.1 million retail customer visits during 2017.

In 2017, usps.com recorded 1.9 billion visits - averaging 6.3 million visitors each day.

In 2017, stamp and retail sales at the Postal Store on usps.com - the official online Post Office - totaled nearly $298 million.

The Postal Service ordered more than 660 million rubber bands during FY 2017.

In 2017, the Postal Service received $418.4 million in revenue from 2,837 postal self-service kiosks.

Every two weeks, the Postal Service pays $1.9 billion in salaries and benefits.

Forty-seven percent of the world's mail volume is handled by the Postal Service.

In 2017, the Postal Service processed and delivered 149.5 billion mailpieces.

Nearly 37 million address changes were submitted online at usps.com in 2017.

If a private sector company, the Postal Service would rank 37th in the 2017 Fortune 500. In the 2017 Global Fortune 500 list, we ranked 99th.

Our corporate email system handles more than 12 million legitimate emails daily to more than 224,000 email accounts.

Each military service managed its own mail program until 1980 when the Military Postal Service Agency was formed.

Social responsibility. From facilitating the nation's largest one-day food drive to addressing dog bites, educating customers on consumer protection and delivering holiday cheer to those in need, the Postal Service supports communities.

There are nearly 42,000 ZIP Codes in the country.

During FY 2017, USPS traveled 1.5 billion miles to deliver your mail, equivalent to 61,217 laps around Earth, 6,381 trips to the moon or 16 trips to the sun.

The Military Postal Service provides service in 60 countries. There are 201 land-based and 147 onboard ship Post Offices. There are 818 military ZIP Codes around the world, with more than 1.2 million delivery points.

$69.6 billion in operating revenue in 2017

USPS continues to be one of the largest employers in the nation. Over half a million people are employed by the Postal Service, from Hawaii to Maine. There were 503,103 career employees in 2017. The number of non-career employees was 141,021.

The Postal Service prides itself on going the last mile to deliver the mail. We served 157.3 million delivery points nationwide in 2017 with 1.2 million new delivery points added to the network.

There are 30,825 Postal Service-managed retail offices in the United States.

The Postal Service recorded 857.1 million retail customer visits during 2017.

In 2017, retail revenue totaled $12.9 billion.

All heart. The Postal Service is the core of the $1.4 trillion U.S. mailing industry that employs more than 7.5 million people.

Zero tax dollars used. The Postal Service receives NO tax dollars for operating expenses and relies on the sale of postage, products and services to fund its operations.

In 2017, the United Postal Service recorded $69.6 billion in operating revenue.

In 2017, usps.com recorded 1.9 billion visits - averaging 6.3 million visitors each day.

In 2017, stamp and retail sales at the Postal Store on usps.com - the official online Post Office - totaled nearly $298 million.

There's a Postal Service stamp app - the only official U.S. stamp collecting app. Also, the Guide to U.S. Stamps is now offered in a digital format.

People once had to pay for the postage on the letters they received. Prepaid postage stamps were introduced in 1847.

The first woman to appear on a U.S. postage stamp was Queen Isabella in 1893. The first woman honored on stamp was Martha Washington in 1902. The first Native American featured on a stamp was Pocahontas in 1907. The first African American featured on a stamp was Booker T. Washington in 1940.

Stick the landing! In 1992, pressure sensitive self-adhesive stamps rolled out nationally. By 2005, 98 percent of all stamps were this type.

The first Forever stamp, issued in 2007, was an image of the Liberty Bell. Forever stamps are purchased at the current First-Class Mail postage price and remain valid for full postage no matter how prices change.

Our first "discretionary" semipostal stamp, released in 2017, is raising funds for research into a cure for Alzheimer's disease.

In 2017, 19 billion U.S. postage stamps were printed, and $436 million in stamp and stamp product orders were received by mail, telephone at 1-800-STAMP-24 and online at usps.com/stamps.

Out of this world! A postage stamp was inside the New Horizons spacecraft that made a flyby of Pluto in July 2015. That's the farthest distance traveled by a postage stamp - more than 3 billion miles. So noted by the Guinness World Records.

The Breast Cancer Research semipostal stamp has raised more than $86.7 million since 1998. More than 1 billion stamps have been sold. The stamp is scheduled to remain on sale until December 2019.

We help our customers reduce waste, increase recycling and improve their carbon footprint through our BlueEarth programs.

The Postal Service has a solar power generation system at its Los Angeles mail processing facility consisting of 31,000 solar panels. This expands our use of alternative energy and makes the USPS facility the largest building generating electricity through solar energy in the city.

The Postal Service has one of the largest green roofs in New York City - 2.5 acres. Green roofs save energy and can contribute to better water quality.

The Postal Service has a goal to reduce energy used per square foot of building space 25 percent by 2025.

The Postal Service has 6,955 letter carriers who deliver mail entirely on foot - the USPS Fleet of Feet.

The Postal Service operates a fleet of more than 47,000 alternative fuel-capable vehicles, most of which are equipped to use ethanol. There are electric, compressed natural gas and liquid propane gas vehicles in the fleet as well. Two-ton electric vehicles have been delivering mail in New York City since 2001.

Social responsibility. From facilitating the nation's largest one-day food drive to addressing dog bites, educating customers on consumer protection and delivering holiday cheer to those in need, the Postal Service supports communities.

Veterans. The Postal Service employs more than 105,000 military veterans. USPS also has issued more than 140 stamps honoring the nation's military history.

All heart. The Postal Service is the core of the $1.4 trillion U.S. mailing industry that employs more than 7.5 million people.

Heroes. Postal employees regularly go beyond the call of duty to protect the lives of customers they serve, including older and disabled customers through the Carrier Alert Program. In fiscal year 2017, the Postal Service recognized 318 heroic employees.

Retail giant. The Postal Service has the nation's largest retail network — bigger than McDonald’s, Starbucks and Walmart combined, domestically.

Global business. The Postal Service processes and delivers 47 percent of the world's mail and is constantly innovating to make customer experiences better.

Vehicles. The Postal Service has more than 230,000 vehicles, one of the largest civilian fleets in the world. Next-generation vehicles will have improved ergonomics, safety features, fuel efficiency and design flexibility.

Competition and collaboration. The Postal Service both competes and collaborates with the private sector. UPS and FedEx pay the Postal Service to deliver hundreds of millions of their ground packages, and USPS pays UPS and FedEx for air transportation.

Affordability. For 50 cents, anyone can send a letter, regardless of geographic location, to anywhere in the United States.

Dependable. The Postal Service is the only organization in the country that has the resources, network infrastructure and logistical capability to regularly deliver to every residential and business address in the nation.

Security. U.S. Mail is protected by more than 200 federal laws enforced by the Postal Inspection Service, one of the nation's oldest law enforcement agencies.

And most importantly...

Zero tax dollars used. The Postal Service receives NO tax dollars for operating expenses and relies on the sale of postage, products and services to fund its operations.