US United States Major Regions Postal Code Details

🏛️ North Dakota
58639
Adams
Postal Range: 58639~58649
58031
Barnes
Postal Range: 58031~58492
58332
Benson
Postal Range: 58332~58386
58627
Billings
Postal Range: 58627~58645
58318
Bottineau
Postal Range: 58318~58793
58623
Bowman
Postal Range: 58623~58653
58721
Burke
Postal Range: 58721~58773
58477
Burleigh
Postal Range: 58477~58572
58002
Cass
Postal Range: 58002~58126
58239
Cavalier
Postal Range: 58239~58372
58436
Dickey
Postal Range: 58436~58474
58730
Divide
Postal Range: 58730~58844
58625
Dunn
Postal Range: 58625~58644
58356
Eddy
Postal Range: 58356~58374
58524
Emmons
Postal Range: 58524~58573
58421
Foster
Postal Range: 58421~58464
58621
Golden Valley
Postal Range: 58621~58654
58201
Grand Forks
Postal Range: 58201~58278
58529
Grant
Postal Range: 58529~58569
58416
Griggs
Postal Range: 58416~58484
58646
Hettinger
Postal Range: 58646~58650
58428
Kidder
Postal Range: 58428~58488
58415
Lamoure
Postal Range: 58415~58490
58440
Logan
Postal Range: 58440~58561
58710
Mchenry
Postal Range: 58710~58792
58413
Mcintosh
Postal Range: 58413~58581
58634
Mckenzie
Postal Range: 58634~58854
58531
Mclean
Postal Range: 58531~58778
58523
Mercer
Postal Range: 58523~58580
58520
Morton
Postal Range: 58520~58638
58763
Mountrail
Postal Range: 58763~58794
58212
Nelson
Postal Range: 58212~58380
58530
Oliver
Postal Range: 58530
58216
Pembina
Postal Range: 58216~58282
58313
Pierce
Postal Range: 58313~58385
58301
Ramsey
Postal Range: 58301~58382
58027
Ransom
Postal Range: 58027~58068
58740
Renville
Postal Range: 58740~58787
58001
Richland
Postal Range: 58001~58081
58310
Rolette
Postal Range: 58310~58369
58013
Sargent
Postal Range: 58013~58069
58430
Sheridan
Postal Range: 58430~58758
58528
Sioux
Postal Range: 58528~58570
58620
Slope
Postal Range: 58620~58643
58601
Stark
Postal Range: 58601~58656
58046
Steele
Postal Range: 58046~58277
58401
Stutsman
Postal Range: 58401~58497
58317
Towner
Postal Range: 58317~58365
58009
Traill
Postal Range: 58009~58274
58210
Walsh
Postal Range: 58210~58273
58701
Ward
Postal Range: 58701~58785
58341
Wells
Postal Range: 58341~58486
58755
Williams
Postal Range: 58755~58856

📮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).