Idaho local data guide

Boise, Idaho Zip Code List

Boise, Idaho, is served by a range of ZIP codes primarily within the 837xx series. These codes facilitate mail delivery, demographic tracking, and real estate market analysis across the capital city and Ada County.

Updated with grounded research as of 2026-08-22.

The short answer

Boise, Idaho, is served by a comprehensive list of ZIP codes starting with the prefix 837. These codes cover the city's diverse landscape, ranging from the urban core downtown to suburban residential developments and the outlying foothills. Because ZIP code boundaries are defined by the United States Postal Service (USPS) for efficient mail delivery rather than municipal boundaries, they do not always align perfectly with city limits or neighborhood borders.

Key facts

Primary ZIP Code Series
83701 through 83799
County Jurisdiction
Ada County

Understanding Boise ZIP Code Designations

Boise uses a wide array of ZIP codes, many of which serve specific functions beyond standard residential mail delivery. While some codes cover large residential swaths like the North End or West Boise, others are restricted to specific institutional or commercial purposes.

  • Residential Zones: Most suburban neighborhoods fall within standard residential ZIP codes, which are essential for property tax assessment and real estate valuations.
  • Institutional & PO Box Codes: Certain ZIP codes in the 837 series are exclusively for Post Office boxes, government agencies, or large institutional buildings (such as universities or corporate campuses) and do not contain residential housing units.

List of Boise ZIP Codes

The following list represents the ZIP codes historically associated with the Boise, Idaho post office. Users should note that this list includes a mix of residential, business, and specialized delivery zones.

  • 83701, 83702, 83703, 83704, 83705, 83706, 83707, 83708, 83709, 83711, 83712, 83713, 83714, 83715, 83716, 83717, 83719, 83720, 83722, 83724, 83725, 83726, 83728, 83729, 83732, 83735, 83756, 83799

Navigating Real Estate and Boundary Data

When researching properties for relocation or investment, it is critical to confirm the actual location rather than relying solely on the ZIP code. Boundaries are determined by postal logistics, not by Boise city ordinances or school district maps. Always use a specific property address to verify municipal jurisdiction, zoning, and school attendance boundaries.

  • Verify with USPS: For official mail delivery confirmation, visit the USPS website.
  • Check Zoning: Consult Ada County or Boise City Planning and Zoning for official land-use and neighborhood boundaries.

Common questions

How do I confirm the ZIP code for a specific Boise address?

The most accurate way to verify a ZIP code for a specific property is to use the 'Look Up a ZIP Code' tool on the official USPS website by entering the street address, city, and state.

Do Boise ZIP codes align with neighborhood boundaries?

No. ZIP codes were created by the USPS to improve mail delivery efficiency. They often span multiple neighborhoods or may only cover a portion of a single neighborhood.

Related Idaho questions

  • What neighborhoods are in the 83702 zip code?
  • How do I find my zip code for a specific Boise address?
  • What are the neighboring cities to Boise and their zip codes?

Sources and verification