US United States Major Regions Postal Code Details
๐๏ธ Sonoma ยท California
95476
Agua Caliente
95412
Annapolis
95425
Asti
94952
Bloomfield
94922
Bodega
94923
Bodega Bay
95416
Boyes Hot Springs
95416
Boyes Springs
95419
Camp Meeker
95421
Cazadero
95425
Cloverdale
94927
Cotati
95430
Duncans Mills
95433
El Verano
95431
Eldridge
94952
Fallon
95416
Fetters Hot Springs
95436
Forestville
95450
Fort Ross
95472
Freestone
95439
Fulton
95441
Geyserville
95442
Glen Ellen
95444
Graton
95446
Guerneville
95446
Guernewood
95448
Healdsburg
95450
Jenner
95452
Kenwood
94952
Lakeville
95403
Larkfield
95462
Monte Rio
95465
Occidental
94951
Penngrove
94955
Petaluma
95471
Rio Nido
94926
Rohnert Park
95407
Roseland
95462
Russian River
95462
Russian River Mdws
94923
Salmon Creek
95406
Santa Rosa
95476
Schellville
95472
Sebastopol
95476
Sonoma
94926
State Farm Insurance
95480
Stewarts Point
95480
Stewarts Point Rancheria
95425
The Geysers
95497
The Sea Ranch
94952
Two Rock Ranch Sta
94972
Valley Ford
95486
Villa Grande
95487
Vineburg
95492
Windsor
๐ฎUS United States Regional Postal Code FAQ & Postal Regulations
๐ฎ 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.
๐ 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.
โ ๏ธ 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.
๐ Do ZIP codes ever change?
Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.
๐ฆ 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).