Bannock County, Idaho ZIP Codes

9 ZIP Codes

Zip Code
City
Population ↓
83201Pocatello39,902
83202Pocatello24,513
83245Inkom2,321
83250Mccammon2,179
83234Downey1,417
83209Pocatello937
83246Lava Hot Springs821
83214Arimo586
83281Swanlake148

Overview of ZIP Codes in Bannock County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
9
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 9 ZCTAs in Bannock County, Idaho (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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