ZIP Code 83704

83704 is one of Idaho's ZIP codes, delivering to addresses in Boise, Ada County.

City: Boise
County: Ada County
State: Idaho
Prefix: 837xx

Where this code sits

83704 is part of the 837xx range, the group of codes handled by one mail processing centre. Boise is served by 28 ZIP codes in total; the full list, with the county each falls in, is on the Boise page.

Boise Idaho ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 83704 delivers to without sharing its boundary.

ZIP codes nearest 83704

The ZIP codes whose reference points sit closest to 83704.
ZIP code	Distance	Delivers to
ZIP code 83701	2.3 mi	Boise, ID
ZIP code 83713	2.3 mi	Boise, ID
ZIP code 83703	2.8 mi	Boise, ID
ZIP code 83709	4.1 mi	Boise, ID
ZIP code 83702	4.5 mi	Boise, ID
ZIP code 83707	4.8 mi	Boise, ID
ZIP code 83728	4.8 mi	Boise, ID
ZIP code 83735	4.8 mi	Boise, ID

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 83704, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 83704. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.