United States Major Regions Postal Code Details

US United States Major Regions Postal Code Details

🏛️ Oregon

97814

Baker

Postal Range: 97814~97907

97324

Benton

Postal Range: 97324~97456

97004

Clackamas

Postal Range: 97004~97269

97102

Clatsop

Postal Range: 97102~97146

97016

Columbia

Postal Range: 97016~97064

97407

Coos

Postal Range: 97407~97466

97751

Crook

Postal Range: 97751~97754

97406

Curry

Postal Range: 97406~97491

97701

Deschutes

Postal Range: 97701~97759

97410

Douglas

Postal Range: 97410~97499

97812

Gilliam

Postal Range: 97812~97861

97817

Grant

Postal Range: 97817~97873

97710

Harney

Postal Range: 97710~97904

97014

Hood River

Postal Range: 97014~97044

97501

Jackson

Postal Range: 97501~97541

97711

Jefferson

Postal Range: 97711~97761

97497

Josephine

Postal Range: 97497~97544

97601

Klamath

Postal Range: 97601~97737

97620

Lake

Postal Range: 97620~97735

97401

Lane

Postal Range: 97401~97493

97341

Lincoln

Postal Range: 97341~97498

97321

Linn

Postal Range: 97321~97446

97901

Malheur

Postal Range: 97901~97920

97002

Marion

Postal Range: 97002~97392

97818

Morrow

Postal Range: 97818~97844

97010

Multnomah

Postal Range: 97010~97296

97304

Polk

Postal Range: 97304~97371

97029

Sherman

Postal Range: 97029~97065

97107

Tillamook

Postal Range: 97107~97149

97801

Umatilla

Postal Range: 97801~97886

97824

Union

Postal Range: 97824~97883

97828

Wallowa

Postal Range: 97828~97885

97001

Wasco

Postal Range: 97001~97063

97003

Washington

Postal Range: 97003~97298

97750

Wheeler

Postal Range: 97750~97874

97101

Yamhill

Postal Range: 97101~97396

📮US United States Regional Postal Code FAQ & Postal Regulations

📮 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).