US Gazetteer > Idaho Gazetteer > Idaho ZIP Codes > Boise, ID 83731

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Preferred Name, USPS
Boise, ID 83731
Not Acceptable, USPS
Dept of Transportation, ID 83731

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Weather forecast ZIP Code 83731

The 83731 ZIP Code is centered1 in Ada County at latitude 43.746 and longitude -116.204 (Panoramio Photos). It is a unique - single entity - type ZIP Code. Ada County is in the Mountain Time Zone (UTC -7 hours) and observes daylight savings time.

Boise, ID 83731 Map (Marker is ZIP Code Centroid)

Local Search, 83731 ZIP Code| Distance & Driving Directions

Nearby Cities, Towns & Census Designated Places

Highlands, ID (7 miles S)
Boise Hills Village, ID (7.9 miles S)
Eagle, ID (8.3 miles WSW)
Garden City, ID (8.8 miles SSW)
Boise, ID (9.2 miles S)
Pearl, ID (9.5 miles NW)
Ustick, ID (9.8 miles SW)
Boise Junction, ID (10.1 miles SSW)
Perkins, ID (10.4 miles SSW)
Cloverdale, ID (10.9 miles SW)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Collister, ID (6.4 miles SSW)

ZIP Codes - Key Concepts

  1. ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
  2. The centroid of a ZIP Code may be in one County and the associated city/town in another.
  3. In rural areas, a single ZIP Code may be used for cities and towns in several different Counties.
  4. ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
  5. ZIP Codes are only loosely tied to cities.

1 Keeping the above key concepts in mind, what we informally refer to as the "center" of a ZIP Code is most often actually the centroid of a polygon.