US United States Major Regions Postal Code Details

๐Ÿ›๏ธ Humboldt ยท California
95511
Alderpoint
Alderpoint humboldt california 95511 United States
95518
Arcata
Arcata humboldt california 95518 United States
95524
Bayside
Bayside humboldt california 95524 United States
95514
Blocksburg
Blocksburg humboldt california 95514 United States
95525
Blue Lake
Blue Lake humboldt california 95525 United States
95526
Bridgeville
Bridgeville humboldt california 95526 United States
95528
Carlotta
Carlotta humboldt california 95528 United States
95534
Cutten
Cutten humboldt california 95534 United States
95502
Eureka
Eureka humboldt california 95502 United States
95536
Ferndale
Ferndale humboldt california 95536 United States
95537
Fields Landing
Fields Landing humboldt california 95537 United States
95540
Fortuna
Fortuna humboldt california 95540 United States
95542
Garberville
Garberville humboldt california 95542 United States
95545
Honeydew
Honeydew humboldt california 95545 United States
95546
Hoopa
Hoopa humboldt california 95546 United States
95546
Hoopa Valley Indian Reservat
Hoopa Valley Indian Reservat humboldt california 95546 United States
95547
Hydesville
Hydesville humboldt california 95547 United States
95549
Kneeland
Kneeland humboldt california 95549 United States
95550
Korbel
Korbel humboldt california 95550 United States
95551
Loleta
Loleta humboldt california 95551 United States
95526
Mad River
Mad River humboldt california 95526 United States
95521
Manila
Manila humboldt california 95521 United States
95521
Mckinleyville
Mckinleyville humboldt california 95521 United States
95553
Miranda
Miranda humboldt california 95553 United States
95554
Myers Flat
Myers Flat humboldt california 95554 United States
95555
Orick
Orick humboldt california 95555 United States
95556
Orleans
Orleans humboldt california 95556 United States
95558
Petrolia
Petrolia humboldt california 95558 United States
95559
Phillipsville
Phillipsville humboldt california 95559 United States
95569
Redcrest
Redcrest humboldt california 95569 United States
95560
Redway
Redway humboldt california 95560 United States
95546
Resighini Rancheria
Resighini Rancheria humboldt california 95546 United States
95562
Rio Dell
Rio Dell humboldt california 95562 United States
95526
Ruth
Ruth humboldt california 95526 United States
95564
Samoa
Samoa humboldt california 95564 United States
95565
Scotia
Scotia humboldt california 95565 United States
95589
Shelter Cove
Shelter Cove humboldt california 95589 United States
95570
Trinidad
Trinidad humboldt california 95570 United States
95571
Weott
Weott humboldt california 95571 United States
95589
Whitethorn
Whitethorn humboldt california 95589 United States
95573
Willow Creek
Willow Creek humboldt california 95573 United States

๐Ÿ“ฎUS United States Regional Postal Code FAQ & Postal Regulations

๐Ÿ“ฎ 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.

๐Ÿ” 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.

โš ๏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.

๐Ÿ”„ Do ZIP codes ever change?

Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.

๐Ÿ“ฆ 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).

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๐Ÿ“ฎ Popular United States Postal Codes