US United States Major Regions Postal Code Details
🏛️ Sonoma · California
95476Agua Caliente
Agua Caliente sonoma california 95476 United States
95412Annapolis
Annapolis sonoma california 95412 United States
95425Asti
Asti sonoma california 95425 United States
94952Bloomfield
Bloomfield sonoma california 94952 United States
94922Bodega
Bodega sonoma california 94922 United States
94923Bodega Bay
Bodega Bay sonoma california 94923 United States
95416Boyes Hot Springs
Boyes Hot Springs sonoma california 95416 United States
95416Boyes Springs
Boyes Springs sonoma california 95416 United States
95419Camp Meeker
Camp Meeker sonoma california 95419 United States
95421Cazadero
Cazadero sonoma california 95421 United States
95425Cloverdale
Cloverdale sonoma california 95425 United States
94927Cotati
Cotati sonoma california 94927 United States
95430Duncans Mills
Duncans Mills sonoma california 95430 United States
95433El Verano
El Verano sonoma california 95433 United States
95431Eldridge
Eldridge sonoma california 95431 United States
94952Fallon
Fallon sonoma california 94952 United States
95416Fetters Hot Springs
Fetters Hot Springs sonoma california 95416 United States
95436Forestville
Forestville sonoma california 95436 United States
95450Fort Ross
Fort Ross sonoma california 95450 United States
95472Freestone
Freestone sonoma california 95472 United States
95439Fulton
Fulton sonoma california 95439 United States
95441Geyserville
Geyserville sonoma california 95441 United States
95442Glen Ellen
Glen Ellen sonoma california 95442 United States
95444Graton
Graton sonoma california 95444 United States
95446Guerneville
Guerneville sonoma california 95446 United States
95446Guernewood
Guernewood sonoma california 95446 United States
95448Healdsburg
Healdsburg sonoma california 95448 United States
95450Jenner
Jenner sonoma california 95450 United States
95452Kenwood
Kenwood sonoma california 95452 United States
94952Lakeville
Lakeville sonoma california 94952 United States
95403Larkfield
Larkfield sonoma california 95403 United States
95462Monte Rio
Monte Rio sonoma california 95462 United States
95465Occidental
Occidental sonoma california 95465 United States
94951Penngrove
Penngrove sonoma california 94951 United States
94955Petaluma
Petaluma sonoma california 94955 United States
95471Rio Nido
Rio Nido sonoma california 95471 United States
94926Rohnert Park
Rohnert Park sonoma california 94926 United States
95407Roseland
Roseland sonoma california 95407 United States
95462Russian River
Russian River sonoma california 95462 United States
95462Russian River Mdws
Russian River Mdws sonoma california 95462 United States
94923Salmon Creek
Salmon Creek sonoma california 94923 United States
95406Santa Rosa
Santa Rosa sonoma california 95406 United States
95476Schellville
Schellville sonoma california 95476 United States
95472Sebastopol
Sebastopol sonoma california 95472 United States
95476Sonoma
Sonoma sonoma california 95476 United States
94926State Farm Insurance
State Farm Insurance sonoma california 94926 United States
95480Stewarts Point
Stewarts Point sonoma california 95480 United States
95480Stewarts Point Rancheria
Stewarts Point Rancheria sonoma california 95480 United States
95425The Geysers
The Geysers sonoma california 95425 United States
95497The Sea Ranch
The Sea Ranch sonoma california 95497 United States
94952Two Rock Ranch Sta
Two Rock Ranch Sta sonoma california 94952 United States
94972Valley Ford
Valley Ford sonoma california 94972 United States
95486Villa Grande
Villa Grande sonoma california 95486 United States
95487Vineburg
Vineburg sonoma california 95487 United States
95492Windsor
Windsor sonoma california 95492 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).
