Bismarck, ND ZIP Codes, Area Codes and Address Format

City guides  |  May 2, 2026  |  2 min read

Looking up ZIP codes or writing an address in Bismarck, North Dakota? Below is a practical reference built from postal data for the city.

State

North Dakota (ND)

County

Burleigh County

Standard ZIP codes

4

Time zone

Central

Bismarck ZIP codes

These are the standard delivery ZIP codes for Bismarck. The city has 7 ZIP codes in total when PO Box and unique codes are included.

• 58501
• 58503
• 58504
• 58505

Area codes in Bismarck

Bismarck phone numbers use 701. A single area code keeps local numbers easy to recognize.

Sample Bismarck addresses

The street lines are invented; the city, state and ZIP codes are real. Use them for form testing, mockups and training materials, never for real orders.

How to write an address in Bismarck

• End the address with BISMARCK, ND and the five-digit ZIP code.
• Put apartment or suite numbers at the end of the street line.
• Use USPS abbreviations such as ST, AVE and BLVD.
• Match the ZIP code to the street. Bismarck has 4 codes, so the city name alone is not enough.

More North Dakota cities

Minot, Fargo, Amenia, Grand Forks, Alsen, or see all North Dakota cities.