Fremont County, Colorado ZIP Codes

9 ZIP Codes

Zip Code
City
Population ↓
81212Canon City32,292
81226Florence7,459
81240Penrose4,800
81223Cotopaxi2,457
81233Howard966
81244Rockvale660
81222Coaldale538
81221Coal Creek324
81232Hillside0

Overview of ZIP Codes in Fremont 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 Fremont County, Colorado (US Census).

Sources

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

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