US United States Major Regions Postal Code Details
🏛️ Northampton · Pennsylvania
18013Bangor
Bangor northampton pennsylvania 18013 United States
18014Bath
Bath northampton pennsylvania 18014 United States
18015Bethlehem
Bethlehem northampton pennsylvania 18015 United States
18003Business Reply Mail
Business Reply Mail northampton pennsylvania 18003 United States
18017Butztown
Butztown northampton pennsylvania 18017 United States
18014Chapmans
Chapmans northampton pennsylvania 18014 United States
18035Cherryville
Cherryville northampton pennsylvania 18035 United States
18042College Hill
College Hill northampton pennsylvania 18042 United States
18038Danielsville
Danielsville northampton pennsylvania 18038 United States
18013East Bangor
East Bangor northampton pennsylvania 18013 United States
18043Easton
Easton northampton pennsylvania 18043 United States
18040Forks Township
Forks Township northampton pennsylvania 18040 United States
18015Fountain Hill
Fountain Hill northampton pennsylvania 18015 United States
18017Freemansburg
Freemansburg northampton pennsylvania 18017 United States
18042Glendon
Glendon northampton pennsylvania 18042 United States
18055Hellertown
Hellertown northampton pennsylvania 18055 United States
18003Lehigh Valley
Lehigh Valley northampton pennsylvania 18003 United States
18063Martins Creek
Martins Creek northampton pennsylvania 18063 United States
18343Mount Bethel
Mount Bethel northampton pennsylvania 18343 United States
18064Nazareth
Nazareth northampton pennsylvania 18064 United States
18067Northampton
Northampton northampton pennsylvania 18067 United States
18043Palmer
Palmer northampton pennsylvania 18043 United States
18045Palmer Township
Palmer Township northampton pennsylvania 18045 United States
18072Pen Argyl
Pen Argyl northampton pennsylvania 18072 United States
18351Portland
Portland northampton pennsylvania 18351 United States
18013Roseto
Roseto northampton pennsylvania 18013 United States
18083Stockertown
Stockertown northampton pennsylvania 18083 United States
18040Stockertown Township
Stockertown Township northampton pennsylvania 18040 United States
18085Tatamy
Tatamy northampton pennsylvania 18085 United States
18045Tatamy Borough
Tatamy Borough northampton pennsylvania 18045 United States
18086Treichlers
Treichlers northampton pennsylvania 18086 United States
18088Walnutport
Walnutport northampton pennsylvania 18088 United States
18042West Easton
West Easton northampton pennsylvania 18042 United States
18042Williams Township
Williams Township northampton pennsylvania 18042 United States
18091Wind Gap
Wind Gap northampton pennsylvania 18091 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).
