Find the last 4 digits (ZIP+4) for an address in 80103

ZIP 80103, Byers, CO is filled in. Just type the street address.

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ZIP Code 80103 – Byers, CO

Byers, Colorado · Adams County · Mountain time

ZIP code80103
CityByers
StateColorado
CountyAdams CountyArapahoe County
Population3,215
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area368.33 sq mi
Center (lat, long)39.7912, -104.0938

Area codes in this area

303720983

These are the area codes that most often serve ZIP 80103 (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

80136 Strasburg · 9.9 mi80105 Deer Trail · 12.6 mi80041 Aurora · 17.1 mi80044 Aurora · 17.1 mi80046 Aurora · 17.1 mi80047 Aurora · 17.1 mi80102 Bennett · 18.7 mi80654 Wiggins · 23.8 mi

About ZIP 80103

ZIP code 80103 is assigned to Byers, Colorado. It crosses 2 counties; most of its land is in Adams County. Its Census area covers about 368.33 square miles of land. The closest neighboring ZIP is 80136 (Strasburg), about 9.9 miles away.

Every address in 80103 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