US United States Major Regions Postal Code Details
🏛️ Siskiyou · California
96014Callahan
Callahan siskiyou california 96014 United States
96023Dorris
Dorris siskiyou california 96023 United States
96025Dunsmuir
Dunsmuir siskiyou california 96025 United States
96094Edgewood
Edgewood siskiyou california 96094 United States
96027Etna
Etna siskiyou california 96027 United States
96031Forks Of Salmon
Forks Of Salmon siskiyou california 96031 United States
96032Fort Jones
Fort Jones siskiyou california 96032 United States
96034Gazelle
Gazelle siskiyou california 96034 United States
96037Greenview
Greenview siskiyou california 96037 United States
96038Grenada
Grenada siskiyou california 96038 United States
96094Hammond Ranch
Hammond Ranch siskiyou california 96094 United States
96039Happy Camp
Happy Camp siskiyou california 96039 United States
96044Hilt
Hilt siskiyou california 96044 United States
96044Hornbrook
Hornbrook siskiyou california 96044 United States
96050Horse Creek
Horse Creek siskiyou california 96050 United States
96050Klamath River
Klamath River siskiyou california 96050 United States
96134Lava Beds National Monument
Lava Beds National Monument siskiyou california 96134 United States
96058Macdoel
Macdoel siskiyou california 96058 United States
96057McCloud
McCloud siskiyou california 96057 United States
96134Medicine Lake Lodge
Medicine Lake Lodge siskiyou california 96134 United States
96064Montague
Montague siskiyou california 96064 United States
96067Mount Shasta
Mount Shasta siskiyou california 96067 United States
96134Newell
Newell siskiyou california 96134 United States
96027Sawyers Bar
Sawyers Bar siskiyou california 96027 United States
96085Scott Bar
Scott Bar siskiyou california 96085 United States
96086Seiad Valley
Seiad Valley siskiyou california 96086 United States
95568Somes Bar
Somes Bar siskiyou california 95568 United States
96134Tionesta
Tionesta siskiyou california 96134 United States
96134Tulelake
Tulelake siskiyou california 96134 United States
96094Weed
Weed siskiyou california 96094 United States
96097Yreka
Yreka siskiyou california 96097 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.
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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.
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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.
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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
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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).
