US United States Major Regions Postal Code Details
🏛️ Rockingham · New Hampshire
03803Air National Guard
Air National Guard rockingham new hampshire 03803 United States
03811Atkinson
Atkinson rockingham new hampshire 03811 United States
03032Auburn
Auburn rockingham new hampshire 03032 United States
03833Brentwood
Brentwood rockingham new hampshire 03833 United States
03034Candia
Candia rockingham new hampshire 03034 United States
03036Chester
Chester rockingham new hampshire 03036 United States
03819Danville
Danville rockingham new hampshire 03819 United States
03037Deerfield
Deerfield rockingham new hampshire 03037 United States
03038Derry
Derry rockingham new hampshire 03038 United States
03040East Candia
East Candia rockingham new hampshire 03040 United States
03041East Derry
East Derry rockingham new hampshire 03041 United States
03826East Hampstead
East Hampstead rockingham new hampshire 03826 United States
03827East Kingston
East Kingston rockingham new hampshire 03827 United States
03042Epping
Epping rockingham new hampshire 03042 United States
03833Exeter
Exeter rockingham new hampshire 03833 United States
03044Fremont
Fremont rockingham new hampshire 03044 United States
03840Greenland
Greenland rockingham new hampshire 03840 United States
03841Hampstead
Hampstead rockingham new hampshire 03841 United States
03842Hampton
Hampton rockingham new hampshire 03842 United States
03843Hampton Beach
Hampton Beach rockingham new hampshire 03843 United States
03844Hampton Falls
Hampton Falls rockingham new hampshire 03844 United States
03833Kensington
Kensington rockingham new hampshire 03833 United States
03848Kingston
Kingston rockingham new hampshire 03848 United States
03053Londonderry
Londonderry rockingham new hampshire 03053 United States
03854New Castle
New Castle rockingham new hampshire 03854 United States
03854Newcastle
Newcastle rockingham new hampshire 03854 United States
03856Newfields
Newfields rockingham new hampshire 03856 United States
03801Newington
Newington rockingham new hampshire 03801 United States
03857Newmarket
Newmarket rockingham new hampshire 03857 United States
03858Newton
Newton rockingham new hampshire 03858 United States
03859Newton Junction
Newton Junction rockingham new hampshire 03859 United States
03862North Hampton
North Hampton rockingham new hampshire 03862 United States
03073North Salem
North Salem rockingham new hampshire 03073 United States
03261Northwood
Northwood rockingham new hampshire 03261 United States
03290Nottingham
Nottingham rockingham new hampshire 03290 United States
03865Plaistow
Plaistow rockingham new hampshire 03865 United States
03801Portsmouth
Portsmouth rockingham new hampshire 03801 United States
03077Raymond
Raymond rockingham new hampshire 03077 United States
03870Rye
Rye rockingham new hampshire 03870 United States
03871Rye Beach
Rye Beach rockingham new hampshire 03871 United States
03079Salem
Salem rockingham new hampshire 03079 United States
03873Sandown
Sandown rockingham new hampshire 03873 United States
03874Seabrook
Seabrook rockingham new hampshire 03874 United States
03819South Danville
South Danville rockingham new hampshire 03819 United States
03827South Hampton
South Hampton rockingham new hampshire 03827 United States
03885Stratham
Stratham rockingham new hampshire 03885 United States
03291West Nottingham
West Nottingham rockingham new hampshire 03291 United States
03087Windham
Windham rockingham new hampshire 03087 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).
