US United States Major Regions Postal Code Details
🏛️ Washington · Pennsylvania
15412Allenport
Allenport washington pennsylvania 15412 United States
15311Amity
Amity washington pennsylvania 15311 United States
15004Atlasburg
Atlasburg washington pennsylvania 15004 United States
15312Avella
Avella washington pennsylvania 15312 United States
15313Beallsville
Beallsville washington pennsylvania 15313 United States
15314Bentleyville
Bentleyville washington pennsylvania 15314 United States
15019Bulger
Bulger washington pennsylvania 15019 United States
15021Burgettstown
Burgettstown washington pennsylvania 15021 United States
15419California
California washington pennsylvania 15419 United States
15317Canonsburg
Canonsburg washington pennsylvania 15317 United States
15321Cecil
Cecil washington pennsylvania 15321 United States
15022Charleroi
Charleroi washington pennsylvania 15022 United States
15323Claysville
Claysville washington pennsylvania 15323 United States
15423Coal Center
Coal Center washington pennsylvania 15423 United States
15324Cokeburg
Cokeburg washington pennsylvania 15324 United States
15067Courtney
Courtney washington pennsylvania 15067 United States
15427Daisytown
Daisytown washington pennsylvania 15427 United States
15429Denbo
Denbo washington pennsylvania 15429 United States
15033Donora
Donora washington pennsylvania 15033 United States
15432Dunlevy
Dunlevy washington pennsylvania 15432 United States
15330Eighty Four
Eighty Four washington pennsylvania 15330 United States
15434Elco
Elco washington pennsylvania 15434 United States
15021Eldersville
Eldersville washington pennsylvania 15021 United States
15331Ellsworth
Ellsworth washington pennsylvania 15331 United States
15038Elrama
Elrama washington pennsylvania 15038 United States
15332Finleyville
Finleyville washington pennsylvania 15332 United States
15333Fredericktown
Fredericktown washington pennsylvania 15333 United States
15336Gastonville
Gastonville washington pennsylvania 15336 United States
15339Hendersonville
Hendersonville washington pennsylvania 15339 United States
15340Hickory
Hickory washington pennsylvania 15340 United States
15342Houston
Houston washington pennsylvania 15342 United States
15053Joffre
Joffre washington pennsylvania 15053 United States
15054Langeloth
Langeloth washington pennsylvania 15054 United States
15055Lawrence
Lawrence washington pennsylvania 15055 United States
15345Marianna
Marianna washington pennsylvania 15345 United States
15057Mc Donald
Mc Donald washington pennsylvania 15057 United States
15317Mc Murray
Mc Murray washington pennsylvania 15317 United States
15347Meadow Lands
Meadow Lands washington pennsylvania 15347 United States
15060Midway
Midway washington pennsylvania 15060 United States
15348Millsboro
Millsboro washington pennsylvania 15348 United States
15063Monongahela
Monongahela washington pennsylvania 15063 United States
15350Muse
Muse washington pennsylvania 15350 United States
15067New Eagle
New Eagle washington pennsylvania 15067 United States
15022North Charleroi
North Charleroi washington pennsylvania 15022 United States
15021Paris
Paris washington pennsylvania 15021 United States
15329Prosperity
Prosperity washington pennsylvania 15329 United States
15312Rea
Rea washington pennsylvania 15312 United States
15358Richeyville
Richeyville washington pennsylvania 15358 United States
15477Roscoe
Roscoe washington pennsylvania 15477 United States
15360Scenery Hill
Scenery Hill washington pennsylvania 15360 United States
15078Slovan
Slovan washington pennsylvania 15078 United States
15361Southview
Southview washington pennsylvania 15361 United States
15483Stockdale
Stockdale washington pennsylvania 15483 United States
15363Strabane
Strabane washington pennsylvania 15363 United States
15365Taylorstown
Taylorstown washington pennsylvania 15365 United States
15366Van Voorhis
Van Voorhis washington pennsylvania 15366 United States
15367Venetia
Venetia washington pennsylvania 15367 United States
15368Vestaburg
Vestaburg washington pennsylvania 15368 United States
15301Washington
Washington washington pennsylvania 15301 United States
15376West Alexander
West Alexander washington pennsylvania 15376 United States
15377West Finley
West Finley washington pennsylvania 15377 United States
15379West Middletown
West Middletown washington pennsylvania 15379 United States
15378Westland
Westland washington pennsylvania 15378 United States
📋 United States Address and Delivery Guidance
📮
Use a Complete Delivery Address:
Include the recipient name, building or street address, locality, region where applicable, postal code when the destination uses one, and the destination country or territory.
🌍
Follow Local Address Conventions:
Use the language, character set and address order requested by the recipient, official postal operator or carrier. Do not assume every destination uses the same postal-code format.
✅
Verify Before Dispatch:
Confirm the postal code, service coverage and any customs or carrier requirements with the recipient and the relevant official postal operator before shipping.
💡
Delivery Information Is Context-Specific:
Postal codes help routing only in territories that use them. Accurate recipient details remain essential for delivery in every destination.
Postal information, sources and verification
Use this page as a routing reference and confirm the complete address, postal code format and delivery restrictions with the relevant official postal operator or carrier before dispatch.
Editorial and service accountability
This postal-code reference is maintained by the 56ok.com logistics-content team for international shipping preparation. It is reviewed against publicly available postal-operator information; it is not an official postal authority and does not replace carrier or customs instructions.
This reference is maintained as postal and carrier information changes. Need a correction? Contact our team.
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📮United States Postal FAQ and delivery guidance
📮 What is the format of a US ZIP code?
Standard format is 5 digits (e.g., 10001). Extended format is ZIP+4 (9 digits like 10001-1234) with a hyphen.
🔍 How to find the ZIP code for an address?
Use the USPS ZIP Code Lookup tool by entering the full address on the official USPS website.
⚠️ What happens if I use a wrong ZIP code?
Mail may be delayed, returned, or lost. For important documents, use USPS tracking and verify the ZIP code.
🔄 Do ZIP codes ever change?
Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.
📦 Is a ZIP code required for international mail to the US?
Absolutely. Always include the US ZIP code at the end of the address (e.g., New York, NY 10001 USA).
