US United States Major Regions Postal Code Details
🏛️ Santa Clara · California
95191A M O R C
A M O R C santa clara california 95191 United States
95002Alviso
Alviso santa clara california 95002 United States
94040Blossom Valley
Blossom Valley santa clara california 94040 United States
95194California Water Service
California Water Service santa clara california 95194 United States
95011Campbell
Campbell santa clara california 95011 United States
95013Coyote
Coyote santa clara california 95013 United States
95014Cupertino
Cupertino santa clara california 95014 United States
94303East Palo Alto
East Palo Alto santa clara california 94303 United States
95021Gilroy
Gilroy santa clara california 95021 United States
95026Holy City
Holy City santa clara california 95026 United States
95193I B M
I B M santa clara california 95193 United States
94023Los Altos
Los Altos santa clara california 94023 United States
94024Los Altos Hills
Los Altos Hills santa clara california 94024 United States
95031Los Gatos
Los Gatos santa clara california 95031 United States
95036Milpitas
Milpitas santa clara california 95036 United States
94035Moffett Field
Moffett Field santa clara california 94035 United States
94035Moffett Field Nas
Moffett Field Nas santa clara california 94035 United States
95030Monte Sereno
Monte Sereno santa clara california 95030 United States
95014Monte Vista
Monte Vista santa clara california 95014 United States
95038Morgan Hill
Morgan Hill santa clara california 95038 United States
95140Mount Hamilton
Mount Hamilton santa clara california 95140 United States
94041Mountain View
Mountain View santa clara california 94041 United States
95042New Almaden
New Almaden santa clara california 95042 United States
94088Onizuka AFB
Onizuka AFB santa clara california 94088 United States
94303Palo Alto
Palo Alto santa clara california 94303 United States
95014Permanente
Permanente santa clara california 95014 United States
95044Redwood Estates
Redwood Estates santa clara california 95044 United States
95134San Jose
San Jose santa clara california 95134 United States
95190San Jose Mercury News
San Jose Mercury News santa clara california 95190 United States
95192San Jose State University
San Jose State University santa clara california 95192 United States
95196San Jose Water Company
San Jose Water Company santa clara california 95196 United States
95046San Martin
San Martin santa clara california 95046 United States
95053Santa Clara
Santa Clara santa clara california 95053 United States
95053Santa Clara University
Santa Clara University santa clara california 95053 United States
95071Saratoga
Saratoga santa clara california 95071 United States
94309Stanford
Stanford santa clara california 94309 United States
94087Sunnyvale
Sunnyvale santa clara california 94087 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).
