Postal reference / United States

81221Coal Creek, Colorado

ZIP code 81221 is a United States postal code for Coal Creek, Colorado. Its county association is Fremont County. The map reference point is at 38.3611, -105.1483.

State / territory
Colorado
Recorded place name
Coal Creek
County association
Fremont
Estimated coordinate
38.3611, -105.1483
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ZIP prefix
812 · 32 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
1.146 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
81244RockvaleCOFremont1.0
81226FlorenceCOFremont2.1
81290FlorenceCOFremont2.6
81212Canon CityCOFremont6.9
81240PenroseCOFremont9.0
81253WetmoreCOCuster16.5
81215Canon CityCOFremont19.5
81007PuebloCOPueblo20.1

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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