US United States Major Regions Postal Code Details
🏛️ Somerset · Maine
04911Anson
Anson somerset maine 04911 United States
04912Athens
Athens somerset maine 04912 United States
04920Bingham
Bingham somerset maine 04920 United States
04912Brighton Plt
Brighton Plt somerset maine 04912 United States
04923Cambridge
Cambridge somerset maine 04923 United States
04924Canaan
Canaan somerset maine 04924 United States
04925Caratunk
Caratunk somerset maine 04925 United States
04961Carrying Place Town Twp
Carrying Place Town Twp somerset maine 04961 United States
04920Concord Twp
Concord Twp somerset maine 04920 United States
04976Cornville
Cornville somerset maine 04976 United States
04961Dead River Twp
Dead River Twp somerset maine 04961 United States
04945Dennistown
Dennistown somerset maine 04945 United States
04929Detroit
Detroit somerset maine 04929 United States
04985East Moxie Twp
East Moxie Twp somerset maine 04985 United States
04958Embden
Embden somerset maine 04958 United States
04937Fairfield
Fairfield somerset maine 04937 United States
04942Harmony
Harmony somerset maine 04942 United States
04943Hartland
Hartland somerset maine 04943 United States
04961Highland Plt
Highland Plt somerset maine 04961 United States
04944Hinckley
Hinckley somerset maine 04944 United States
04985Indian Stream
Indian Stream somerset maine 04985 United States
04985Indian Stream Twp
Indian Stream Twp somerset maine 04985 United States
04945Jackman
Jackman somerset maine 04945 United States
04945Johnson Mountain Twp
Johnson Mountain Twp somerset maine 04945 United States
04942Kingsbury Plt
Kingsbury Plt somerset maine 04942 United States
04961Lexington Twp
Lexington Twp somerset maine 04961 United States
04945Long Pond Twp
Long Pond Twp somerset maine 04945 United States
04950Madison
Madison somerset maine 04950 United States
04942Mayfield Twp
Mayfield Twp somerset maine 04942 United States
04957Mercer
Mercer somerset maine 04957 United States
04945Moose River
Moose River somerset maine 04945 United States
04920Moscow
Moscow somerset maine 04920 United States
04985Moxie Gore
Moxie Gore somerset maine 04985 United States
04985Moxie Gore Twp
Moxie Gore Twp somerset maine 04985 United States
04961New Portland
New Portland somerset maine 04961 United States
04957Norridgewock
Norridgewock somerset maine 04957 United States
04958North Anson
North Anson somerset maine 04958 United States
04961North New Portland
North New Portland somerset maine 04961 United States
04965Palmyra
Palmyra somerset maine 04965 United States
04945Parlin Pond Twp
Parlin Pond Twp somerset maine 04945 United States
04961Pierce Pond
Pierce Pond somerset maine 04961 United States
04961Pierce Pond Twp
Pierce Pond Twp somerset maine 04961 United States
04967Pittsfield
Pittsfield somerset maine 04967 United States
04478Pittston Academy Grant Twp
Pittston Academy Grant Twp somerset maine 04478 United States
04920Pleasant Ridge Plt
Pleasant Ridge Plt somerset maine 04920 United States
04478Plymouth Twp
Plymouth Twp somerset maine 04478 United States
04478Rockwood
Rockwood somerset maine 04478 United States
04971Saint Albans
Saint Albans somerset maine 04971 United States
04945Sandy Bay Twp
Sandy Bay Twp somerset maine 04945 United States
04478Seboomook Twp
Seboomook Twp somerset maine 04478 United States
04975Shawmut
Shawmut somerset maine 04975 United States
04976Skowhegan
Skowhegan somerset maine 04976 United States
04978Smithfield
Smithfield somerset maine 04978 United States
04979Solon
Solon somerset maine 04979 United States
04911Starks
Starks somerset maine 04911 United States
04985The Forks Plt
The Forks Plt somerset maine 04985 United States
04478Tomhegan Twp
Tomhegan Twp somerset maine 04478 United States
04942Wellington
Wellington somerset maine 04942 United States
04985West Forks
West Forks somerset maine 04985 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).
