United States Postal Service
On the 26th of July 1775, the Second Continental Congress met in Philadelphia to establish a national postal agency. Benjamin Franklin accepted the role of first postmaster general during this critical moment at the start of the American Revolution. The United States Constitution later ratified in 1788 included the Postal Clause which authorized Congress to establish post offices and roads. This clause served dual purposes: facilitating interstate communication and creating revenue for the young nation. The Post Office Department formed officially in 1792 through passage of the Postal Service Act. It grew into a cabinet-level department by 1872 before transforming again decades later.
The Postal Accountability and Enhancement Act passed in 2006 required the service to save $5 billion annually for retiree healthcare over ten years. By August 2012, the USPS defaulted on its first $5.5 billion retirement payment due that month. A second default occurred the 30th of September 2012 involving $5.6 billion owed to retirees. The fourth default arrived the 30th of September 2014 when $5.7 billion remained unpaid. These defaults continued through 2017 as the agency struggled with declining mail volumes and fixed costs. Congress introduced legislation in 2016 and 2019 to remove these funding obligations but nothing passed until the 6th of April 2022. President Joe Biden signed the Postal Service Reform Act that year forgiving $57 billion in debt and ending mandatory retiree health payments.
Over 235,000 vehicles comprise one of the largest civilian fleets globally as of 2024. Most units are Chevrolet Grumman LLVs built between 1987 and 1994 lacking air conditioning or modern safety features. The fleet exceeded its expected 24-year lifespan by fiscal year 2017. A $6 billion contract awarded February 2021 to Oshkosh Defense will produce 165,000 Next Generation Delivery Vehicles over ten years. Half of the initial 50,000 vehicles will be electric while all purchases after 2026 must be battery-powered. In August 2024, USPS deployed new electric models at its Topeka Sorting Center in Kansas including a high-clearance package vehicle and a Canoo pod-like van. The fleet electrification plan aims to reduce carbon emissions from fuel and electricity by 40 percent by 2030.
Mail flows through approximately 251 Processing and Distribution Centers across the United States today. Each center sorts mail for regions typically spanning around 50 miles radius connecting to the national network. During the 2010s, USPS consolidated sorting work into these hubs replacing point-to-point links with hub-and-spoke distribution paradigms. Mail enters Dual Pass Rough Cull Systems where large packages get removed before reaching Advanced Facer-Canceler Systems. These machines read handwritten addresses using Remote Bar Coding Systems sending images to data entry clerks who type decipherable addresses. Processed mail receives fluorescent ID Tags allowing tracking through Mail Isolation Control and Tracking systems capturing images at over 200 centers. Destination P&DCs sort items back to local post offices grouping them by individual carrier routes.
The United States Postal Inspection Service founded the 7th of August 1775 protects employees customers and the nation's mail system from crime. Inspectors enforce over 200 federal laws investigating crimes affecting or fraudulently using the postal system. In 1993 USPIS raided Equifax offices to determine if mail sent via FedEx qualified as extremely urgent under Private Express Statutes. The company received a $30,000 fine after investigators found the mail was not truly urgent. Under the Mail Cover Program law enforcement obtains address information and outer images of every piece of U.S. mail without needing warrants. The Office of Inspector General authorized in 1996 prevents detecting reporting fraud waste program abuse promoting efficiency throughout operations.
Article I Section 8 Clause 7 grants Congress power establishing post offices roads creating de facto monopoly over first-class residential mail delivery. No other public private system delivers non-urgent residential letters absent congressional consent. The Private Express Statutes define USPS monopoly on letter delivery while mailbox access rules grant exclusive entry to customer boxes. Neither FedEx nor UPS may deliver non-urgent letters directly ship to U.S. Mail boxes at residential commercial destinations. Both companies maintain transit agreements dropping items with carriers who then provide shipment up to destination post office serving intended recipient. These services handle packages larger heavier than USPS accepts though they compete directly for package delivery business. Proponents argue eliminating PES or mailbox rule would require billions tax revenues finding alternative funding sources maintaining affordable universal service.
Common questions
When did the United States Postal Service establish its national postal agency?
The Second Continental Congress established a national postal agency on the 26th of July 1775 in Philadelphia. Benjamin Franklin accepted the role of first postmaster general during this critical moment at the start of the American Revolution.
What happened to United States Postal Service retiree payments in 2012 and 2014?
The United States Postal Service defaulted on its first $5.5 billion retirement payment due that month by August 2012. A second default occurred the 30th of September 2012 involving $5.6 billion owed to retirees, and a fourth default arrived the 30th of September 2014 when $5.7 billion remained unpaid.
How many vehicles does the United States Postal Service operate as of 2024?
Over 235,000 vehicles comprise one of the largest civilian fleets globally as of 2024. Most units are Chevrolet Grumman LLVs built between 1987 and 1994 lacking air conditioning or modern safety features.
When was the United States Postal Inspection Service founded and what is its purpose?
The United States Postal Inspection Service founded the 7th of August 1775 protects employees customers and the nation's mail system from crime. Inspectors enforce over 200 federal laws investigating crimes affecting or fraudulently using the postal system.
What legal authority grants the United States Postal Service monopoly over letter delivery?
Article I Section 8 Clause 7 grants Congress power establishing post offices roads creating de facto monopoly over first-class residential mail delivery. No other public private system delivers non-urgent residential letters absent congressional consent.
All sources
268 references cited across the entry
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- 37webPostal Service pledges move to all-electric delivery fleetMatthew Daly — 2022-12-20
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- 41webMail trucks deliver without licenseDan Hartzell — The Morning Call — June 22, 2009
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- 44newsPostal Service to electrify fleet by 2026 as part of President Biden's climate pushJoey Garrison — 20 December 2022
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- 46newsLouis DeJoy: From Trump villain to Biden's clean energy buddyHailey Fuchs — August 13, 2023
- 47newsU.S. Postal Service starts nationwide electric vehicle fleet, buying 9,250 EVs and thousands of charging stationsLi Cohen — March 1, 2023
- 48newsThe US Postal Service's new EV chargers are hereJustine Calma — January 22, 2024
- 49newsUSPS to purchase 9,000 electric vehicles, install 14,000 charging stationsZach Budryk — March 1, 2023
- 50newsUSPS outlines plan to 'aggressively' reduce carbon footprint by 2030Jory Heckman — February 6, 2024
- 51newsUSPS announces 2030 greenhouse gas emissions targetsHazel King — February 8, 2024
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- 66webKey facts on network rationalizationUSPS — March 23, 2015
- 67magazinePost Office Keeps Saturday Delivery Thanks to CongressJosh Sanburn — April 12, 2013
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- 70newsUSPS's controversial deal with Staples headed to showdown over legalityLisa Rein — July 8, 2015
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- 77newsU.S. Postal Service: Saturday letter delivery to end in AugustFebruary 6, 2013
- 78newsPostal Service to end Saturday mail delivery in bid to cut costsFebruary 6, 2013
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- 82webCSRS
- 83webText – H.R.3076 – 117th Congress (2021–2022): Postal Service Reform Act of 2022Carolyn B. Maloney — March 8, 2022
- 84newsWhat the USPS overhaul bill means for youPaul LeBlanc — March 8, 2022
- 85webBiden Signs Postal Service Reform Bill Into Law—Here's What It Means For Your MailAlison Durkee — April 6, 2022
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- 87newsFirst-class stamps to cost 49 cents as of Jan. 26Bradley Klapper — December 24, 2013
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- 91webText – H.R.2748 – 113th Congress (2013–2014): Postal Reform Act of 2013US Congress — July 19, 2013
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- 96newsU.S. Postal Service Wants To Deliver Alcohol To Your DoorstepAndrew Miga — August 2, 2013
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- 98newsTrump administration considers leveraging emergency coronavirus loan to force Postal Service changesJacob Bogage et al. — April 23, 2020
- 99webDeJoy donated nearly $700,000 to Trump's convention, new filings showOctober 10, 2020
- 100webLooking to Cut Costs, New USPS Leader Takes Aim at Overtime and Late TripsEric Katz — July 20, 2020
- 101newsPostal Crisis Ripples Across Nation as Election LoomsLuke Broadwater et al. — August 15, 2020
- 102newsPostal Service memos detail 'difficult' changes, including slower mail deliveryJacob Bogage — July 14, 2020
- 103newsTrump opposes election aid for states and Postal Service bailout, threatening Nov. 3 voteAmy Gardner et al. — August 13, 2020
- 104newsThe Post Office Is Deactivating Mail Sorting Machines Ahead of the ElectionAaron Gordon — August 13, 2020
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- 106newsPostal Service will stop removing mailboxesJacob Bogage — August 14, 2020
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- 108newsPelosi to Recall House for Postal Service Vote as Democrats Press for DeJoy to TestifyEmily Cochrane et al. — August 16, 2020
- 109newsFirst in expected flood of lawsuits against USPS, Trump filed in NY federal courtDanielle Wallace et al. — August 17, 2020
- 110newsPostmaster general announces he is 'suspending' policies that were blamed for causing mail delaysJacob Bogage — August 18, 2020
- 111newsDeJoy's USPS Policy Rollbacks Don't Appear to Change MuchAaron Gordon — August 19, 2020
- 113newsHighlights of $900 billion COVID-19 relief, wrapup billsDecember 21, 2020
- 114newsCoronavirus makes voting by mail even more importantJune 15, 2020
- 115newsA Record 76% of Americans Can Vote by Mail in 2020August 14, 2020
- 116newsUSPS warns 46 states it cannot guarantee mail-in ballots will arrive in time for electionMorgan Phillips — August 14, 2020
- 117newsTrump Opposes Postal Service Funding But Says He'd Sign Bill Including ItBarbara Sprunt — August 13, 2020
- 118webS.4174 – Postal Service Emergency Assistance ActJuly 2, 2020
- 119newsCommissioners seek remedy to postal delaysDavid Mazzenga — January 22, 2021
- 120newsPostal Service Delivered Vast Majority Of Mail Ballots On Time, Report FindsBrian Naylor — March 9, 2021
- 122newsNew USPS election division will oversee mail-in ballotsJuly 28, 2022
- 123newsLouis DeJoy's Surprising Second ActEric Cortelessa — March 16, 2023
- 124newsHow USPS pulled off delivering 380 million COVID-19 testsJory Heckman — May 30, 2022
- 125newsFree COVID tests: Why you can no longer order through government program via USPS deliveryGabe Hauari — March 8, 2024
- 126newsFree at-home COVID test program to resume in SeptemberKelly Tyko — 2024-08-23
- 127inline"Free At-Home COVID-19 Tests".
- 128newsUSPS Is Making Even More Changes to Your Mail, as of SundayKali Coleman — January 18, 2023
- 129newsUnited States Postal Service to implement changesRachel Wilkerson — March 24, 2021
- 130newsUSPS to hire 10,000 seasonal employees to prepare for the holidaysElizabeth Baker — September 20, 2023
- 131newsU.S. Postal Service rolls out USPS Connect in GeorgiaErica Jones — April 12, 2022
- 132newsUSPS launches Ground Advantage shipping offeringElizabeth Baker — July 19, 2023
- 134newsShippers back in the driver's seat as parcel market growth softensGary Frantz — November 1, 2022
- 135newsU.S. Postal Service shrinks forecast losses as it raises pricesDavid Shepardson — April 27, 2023
- 136newsThis Is Where USPS Is Building Out Its First Mega-Centers This YearEric Katz — July 5, 2022
- 137newsUSPS opens one of the first mega-regional distribution centers near CharlotteCatherine Muccigrosso et al. — November 14, 2023
- 138newsUSPS ends peak holiday surcharge as it cuts year-end demand for temporary hiresJory Heckman — September 19, 2023
- 139newsWhy your USPS mail package delivery is about to get slowerBill Chappell — April 21, 2022
- 140newsRegulator Finalizes Plan to Enable Larger USPS Rate HikesEric Katz — November 30, 2020
- 141newsUSPS proposes 5th postage hike since 2021—a move critics call 'unprecedented'Aimee Picchi — October 9, 2023
- 142newsDeJoy Promises His USPS Plan Will Still Deliver, Despite Disappointing Numbers So FarEric Katz — May 10, 2023
- 143newsDeJoy rebuffs USPS regulator considering more 'proactive' role in postal oversightJory Heckman — May 25, 2023
- 144newsUS Postal Service adopts new service standards to save $36 billion over 10 yearsDavid Shepardson — February 26, 2025
- 145newsUSPS Announces Changes to First-Class Mail, Other ServicesAliss Higham — February 27, 2025
- 147newsYour ballot or other mail may not get postmarked by USPS the day it's dropped offHansi Lo Wang — 23 October 2025
- 148newsUSPS changes may delay postmark dates. What it means for your tax returns, ballots, bills and moreSarah Agostino — 31 December 2025
- 149newsThousands of mail-in ballots could be discounted under new post office policyAnna Liss-Roy — January 3, 2026
- 150newsBallots, tax returns and other important mail may not get postmarked the day you turn it in, Postal Service warns CNN PoliticsFredreka Schouten — December 31, 2025
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- 159newsCongressional opposition to Trump's postal cuts, privatization plan growsJoe Davidson — September 24, 2018
- 161webMission statement
- 163webWhy It's So Much Harder for the Government to Spy on Your Snail Mail Than Your Email.Amy Webb — June 12, 2013
- 164webPerhaps we need the US Postal Service to restore trust in digital communicationDonald Gilliland — May 25, 2019
- 167webCongress votes to keep USPS Saturday deliveryMarch 21, 2013
- 169webUPS Mail Innovations – OverviewUnited Parcel Service
- 173webHistory of USPIS
- 174webOpportunities for Anticompetitive Behavior in Postal ServicesRick Geddes — American Enterprise Institute — June 1, 2003
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- 178web: Physical StandardsUSPS — 2024-04-01
- 179web: MailabilityUSPS — 2024-04-01
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- 191webStamp prices poised to rise again, for the 2nd time this yearKate Gibson — CBS Interactive — 10 April 2024
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- 194webInternational Delivery OptionsUSPS
- 199webHandbooks
- 201webUSPS Working HourMay 31, 2019
- 202webAPO/FPO Guide for AAFES Suppliers – The USPS Relationship with Military Service MembersMilitary Postal Service Agency — Military Postal Service Agency — June 2008
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- 205webUnder ConstructionMipsa.biz
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- 211newsChanges announced for Redding mail processing centerMadison Wade — Bonten Media Group — April 9, 2015
- 212newsMail sorting facility will close; move will affect 90 jobs in ReddingDavid Benda — February 23, 2012
- 213newsAP Interview: Postal Service takes photos of all mail, keeps images for up to a monthAndrew Miga — Yahoo! News — August 2, 2013
- 214inlineSee, e.g., 39 CFR 121.1 et seq.
- 216newsUSPS Lists Hundreds of Post Offices and Other Facilities Where It Will Consolidate OperationsEric Katz — August 26, 2022
- 217newsNew, consolidated USPS facilities are operating smoothly, but not yet delivering on improved working conditionsEric Katz — September 14, 2023
- 218webApproved Postal Provider ProgramsUSPS
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- 228newsAfter complaints, DUMBO post office reopensMary Frost — August 2, 2013
- 229newsU.S. self-service kiosks won't vend new Christmas labels in 2019Michael Baadke — November 5, 2019
- 230webLunewsviews.com
- 232inlineWhere to Buy Stamps '
- 233webIdaho delegation gets reversal on backcountry mail delivery decisionHouse.gov — May 7, 2009
- 234webForward Mail USPS
- 236webThe Unlikely Alliance That Ended Sunday Mail Delivery ... in 1912Megan Garber — November 12, 2013
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- 240webCity DeliveryUSPS
- 248newsPost office tests same-day deliveryNovember 23, 2012
- 249webUSPS.com – Metro PostTarget — Usps.com — March 28, 2011
- 250newsUSPS Adding Retailers to Same Day Delivery TrialKenneth Corbin — January 14, 2013
- 251webTerms Of Deal For US Postal Service (USPS) To Deliver Amazon (AMZN) Packages Not Revealed By USPS Or AmazonJoseph Adinolfi — November 14, 2013
- 252newsAmazon and USPS expand Sunday delivery to 15 more cities, will reach 'large portion' of U.S. this yearTodd Bishop — May 7, 2014
- 255newsU.S. Postal Service to Slow First-Class Package DeliveryDean Seal — April 18, 2022
- 256webUS Postal Service to slow down nearly a third of first-class package deliveriesLucas Manfredi — April 19, 2022
- 257webHere's why packages might not arrive as quickly as they used toApril 25, 2022
- 261webProviding Non-Bank Financial Services for the UnderservedJanuary 17, 2014
- 262web2011 Postal FactsU.S. Postal Service — 2011
- 264webU.S. Postal Service
- 265newsPostal service to slash more than 3,000 jobs, offer early retirementsCNN — March 20, 2009
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- 268webIndy postal service delays result in deaths of shipped baby chickensEmily Reuben — 2025-02-24
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- 271webFiscal Year 2023 Annual Report to CongressUnited States Postal Service