United States Major Regions Postal Code Details

US United States Major Regions Postal Code Details

🏛️ Alabama

36003

Autauga

Postal Range: 36003~36749

36507

Baldwin

Postal Range: 36507~36580

36016

Barbour

Postal Range: 36016~36072

35034

Bibb

Postal Range: 35034~36793

35013

Blount

Postal Range: 35013~35133

36029

Bullock

Postal Range: 36029~36089

36015

Butler

Postal Range: 36015~36456

36201

Calhoun

Postal Range: 36201~36279

36854

Chambers

Postal Range: 36854~36863

35959

Cherokee

Postal Range: 35959~36275

35045

Chilton

Postal Range: 35045~36790

36904

Choctaw

Postal Range: 36904~36922

36436

Clarke

Postal Range: 36436~36784

35082

Clay

Postal Range: 35082~36267

36261

Cleburne

Postal Range: 36261~36273

36323

Coffee

Postal Range: 36323~36453

35616

Colbert

Postal Range: 35616~35674

36401

Conecuh

Postal Range: 36401~36475

35072

Coosa

Postal Range: 35072~36026

36038

Covington

Postal Range: 36038~36483

36009

Crenshaw

Postal Range: 36009~36071

35019

Cullman

Postal Range: 35019~35179

36311

Dale

Postal Range: 36311~36374

36701

Dallas

Postal Range: 36701~36775

36020

Elmore

Postal Range: 36020~36093

36426

Escambia

Postal Range: 36426~36543

35901

Etowah

Postal Range: 35901~35990

35542

Fayette

Postal Range: 35542~35559

35571

Franklin

Postal Range: 35571~35654

36313

Geneva

Postal Range: 36313~36477

35443

Greene

Postal Range: 35443~36740

35441

Hale

Postal Range: 35441~36776

36310

Henry

Postal Range: 36310~36373

36301

Houston

Postal Range: 36301~36376

35740

Jackson

Postal Range: 35740~35979

35005

Jefferson

Postal Range: 35005~35298

35544

Lamar

Postal Range: 35544~35592

35610

Lauderdale

Postal Range: 35610~35677

35618

Lawrence

Postal Range: 35618~35672

36801

Lee

Postal Range: 36801~36879

35611

Limestone

Postal Range: 35611~35756

36032

Lowndes

Postal Range: 36032~36785

36031

Macon

Postal Range: 36031~36866

35741

Madison

Postal Range: 35741~35899

36732

Marengo

Postal Range: 36732~36783

35543

Marion

Postal Range: 35543~35594

35016

Marshall

Postal Range: 35016~35980

36505

Mobile

Postal Range: 36505~36695

36425

Monroe

Postal Range: 36425~36481

36013

Montgomery

Postal Range: 36013~36191

35601

Morgan

Postal Range: 35601~35775

36756

Perry

Postal Range: 36756~36786

35442

Pickens

Postal Range: 35442~35481

36005

Pike

Postal Range: 36005~36082

36263

Randolph

Postal Range: 36263~36280

36851

Russell

Postal Range: 36851~36875

35004

Saint Clair

Postal Range: 35004~35987

35007

Shelby

Postal Range: 35007~35242

35459

Sumter

Postal Range: 35459~36925

35014

Talladega

Postal Range: 35014~36268

35010

Tallapoosa

Postal Range: 35010~36861

35401

Tuscaloosa

Postal Range: 35401~35490

35038

Walker

Postal Range: 35038~35587

36513

Washington

Postal Range: 36513~36585

36435

Wilcox

Postal Range: 36435~36769

35540

Winston

Postal Range: 35540~35577

📮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).