United States Major Regions Postal Code Details

US United States Major Regions Postal Code Details

🏛️ Wisconsin

53910

Adams

Postal Range: 53910~54613

54514

Ashland

Postal Range: 54514~54861

54728

Barron

Postal Range: 54728~54889

54814

Bayfield

Postal Range: 54814~54891

54115

Brown

Postal Range: 54115~54344

54610

Buffalo

Postal Range: 54610~54756

54830

Burnett

Postal Range: 54830~54893

53014

Calumet

Postal Range: 53014~54169

54724

Chippewa

Postal Range: 54724~54774

54405

Clark

Postal Range: 54405~54771

53555

Columbia

Postal Range: 53555~53969

53821

Crawford

Postal Range: 53821~54657

53508

Dane

Postal Range: 53508~53794

53003

Dodge

Postal Range: 53003~53963

54202

Door

Postal Range: 54202~54246

54820

Douglas

Postal Range: 54820~54890

54725

Dunn

Postal Range: 54725~54772

54701

Eau Claire

Postal Range: 54701~54742

54120

Florence

Postal Range: 54120~54542

53010

Fond Du Lac

Postal Range: 53010~54979

54103

Forest

Postal Range: 54103~54566

53518

Grant

Postal Range: 53518~53827

53502

Green

Postal Range: 53502~53574

53926

Green Lake

Postal Range: 53926~54968

53503

Iowa

Postal Range: 53503~53595

54525

Iron

Postal Range: 54525~54565

54611

Jackson

Postal Range: 54611~54754

53036

Jefferson

Postal Range: 53036~53594

53929

Juneau

Postal Range: 53929~54646

53101

Kenosha

Postal Range: 53101~53194

54201

Kewaunee

Postal Range: 54201~54217

54601

La Crosse

Postal Range: 54601~54669

53504

Lafayette

Postal Range: 53504~53803

54409

Langlade

Postal Range: 54409~54491

54435

Lincoln

Postal Range: 54435~54532

53015

Manitowoc

Postal Range: 53015~54247

54401

Marathon

Postal Range: 54401~54488

54102

Marinette

Postal Range: 54102~54177

53920

Marquette

Postal Range: 53920~54960

54135

Menominee

Postal Range: 54135~54150

53110

Milwaukee

Postal Range: 53110~53295

54619

Monroe

Postal Range: 54619~54670

54101

Oconto

Postal Range: 54101~54175

54463

Oneida

Postal Range: 54463~54568

54106

Outagamie

Postal Range: 54106~54944

53004

Ozaukee

Postal Range: 53004~53097

54721

Pepin

Postal Range: 54721~54769

54003

Pierce

Postal Range: 54003~54767

54001

Polk

Postal Range: 54001~54858

54406

Portage

Postal Range: 54406~54921

54459

Price

Postal Range: 54459~54556

53105

Racine

Postal Range: 53105~53408

53540

Richland

Postal Range: 53540~54664

53501

Rock

Postal Range: 53501~53576

54526

Rusk

Postal Range: 54526~54895

54002

Saint Croix

Postal Range: 54002~54082

53561

Sauk

Postal Range: 53561~53961

54828

Sawyer

Postal Range: 54828~54896

54107

Shawano

Postal Range: 54107~54978

53001

Sheboygan

Postal Range: 53001~53093

54433

Taylor

Postal Range: 54433~54490

54612

Trempealeau

Postal Range: 54612~54773

54621

Vernon

Postal Range: 54621~54667

54512

Vilas

Postal Range: 54512~54561

53114

Walworth

Postal Range: 53114~53585

54801

Washburn

Postal Range: 54801~54888

53002

Washington

Postal Range: 53002~53095

53005

Waukesha

Postal Range: 53005~53189

54926

Waupaca

Postal Range: 54926~54990

54930

Waushara

Postal Range: 54930~54984

54901

Winnebago

Postal Range: 54901~54986

54404

Wood

Postal Range: 54404~54495

📮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).