US United States Major Regions Postal Code Details
🏛️ Merrimack · New Hampshire
03275Allenstown
Allenstown merrimack new hampshire 03275 United States
03216Andover
Andover merrimack new hampshire 03216 United States
03303Boscawen
Boscawen merrimack new hampshire 03303 United States
03304Bow
Bow merrimack new hampshire 03304 United States
03221Bradford
Bradford merrimack new hampshire 03221 United States
03224Canterbury
Canterbury merrimack new hampshire 03224 United States
03258Chichester
Chichester merrimack new hampshire 03258 United States
03303Concord
Concord merrimack new hampshire 03303 United States
03229Contoocook
Contoocook merrimack new hampshire 03229 United States
03230Danbury
Danbury merrimack new hampshire 03230 United States
03046Dunbarton
Dunbarton merrimack new hampshire 03046 United States
03231East Andover
East Andover merrimack new hampshire 03231 United States
03233Elkins
Elkins merrimack new hampshire 03233 United States
03234Epsom
Epsom merrimack new hampshire 03234 United States
03235Franklin
Franklin merrimack new hampshire 03235 United States
03242Henniker
Henniker merrimack new hampshire 03242 United States
03243Hill
Hill merrimack new hampshire 03243 United States
03106Hooksett
Hooksett merrimack new hampshire 03106 United States
03229Hopkinton
Hopkinton merrimack new hampshire 03229 United States
03307Loudon
Loudon merrimack new hampshire 03307 United States
03106Manchester
Manchester merrimack new hampshire 03106 United States
03255Mount Sunapee
Mount Sunapee merrimack new hampshire 03255 United States
03257New London
New London merrimack new hampshire 03257 United States
03255Newbury
Newbury merrimack new hampshire 03255 United States
03305NH Dept Of Safety
NH Dept of Safety merrimack new hampshire 03305 United States
03258North Chichester
North Chichester merrimack new hampshire 03258 United States
03260North Sutton
North Sutton merrimack new hampshire 03260 United States
03275Pembroke
Pembroke merrimack new hampshire 03275 United States
03303Penacook
Penacook merrimack new hampshire 03303 United States
03263Pittsfield
Pittsfield merrimack new hampshire 03263 United States
03268Salisbury
Salisbury merrimack new hampshire 03268 United States
03272South Newbury
South Newbury merrimack new hampshire 03272 United States
03273South Sutton
South Sutton merrimack new hampshire 03273 United States
03275Suncook
Suncook merrimack new hampshire 03275 United States
03221Sutton
Sutton merrimack new hampshire 03221 United States
03278Warner
Warner merrimack new hampshire 03278 United States
03303Webster
Webster merrimack new hampshire 03303 United States
03235West Franklin
West Franklin merrimack new hampshire 03235 United States
03287Wilmot
Wilmot merrimack new hampshire 03287 United States
03287Wilmot Flat
Wilmot Flat merrimack new hampshire 03287 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).
