Koochiching County, Minnesota ZIP Codes

11 ZIP Codes

Zip Code
City
Population ↓
56649International Falls8,825
56653Littlefork1,239
56661Northome895
56669Kabetogama264
56629Birchdale224
56668Ranier217
56660Mizpah193
56627Big Falls192
56654Loman109
55772Nett Lake77
56658Margie0

Overview of ZIP Codes in Koochiching 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.
11
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 11 ZCTAs in Koochiching County, Minnesota (US Census).

Sources

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

Recommended Reading