Find the last 4 digits (ZIP+4) for an address in 81151

ZIP 81151, Sanford, CO is filled in. Just type the street address.

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ZIP Code 81151 – Sanford, CO

Sanford, Colorado · Costilla County · Mountain time

ZIP code81151
CitySanford
StateColorado
CountyCostilla CountyConejos County
Population1,716
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area293.06 sq mi
Center (lat, long)37.2391, -105.7116

Area codes in this area

719

These are the area codes that most often serve ZIP 81151 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

81141 Manassa · 11.3 mi81123 Blanca · 14.3 mi81138 Jaroso · 15.6 mi81148 Romeo · 15.7 mi81101 Alamosa · 17.7 mi81152 San Luis · 18.8 mi81102 Alamosa · 18.8 mi81129 Conejos · 19.4 mi

About ZIP 81151

ZIP code 81151 is assigned to Sanford, Colorado. It crosses 2 counties; most of its land is in Costilla County. Its Census area covers about 293.06 square miles of land. The closest neighboring ZIP is 81141 (Manassa), about 11.3 miles away.

Every address in 81151 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources