Find the last 4 digits (ZIP+4) for an address in 80501

ZIP 80501, Longmont, CO is filled in. Just type the street address.

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ZIP Code 80501 – Longmont, CO

Longmont, Colorado · Boulder County · Mountain time

ZIP code80501
CityLongmont
StateColorado
CountyBoulder County
Population44,147
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area12.62 sq mi
Center (lat, long)40.1648, -105.1019

Area codes in this area

303720983

These are the area codes that most often serve ZIP 80501 (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

80502 Longmont · 0.2 mi80504 Longmont · 3.8 mi80544 Niwot · 5.6 mi80503 Longmont · 5.7 mi80533 Hygiene · 7 mi80542 Mead · 7.2 mi80516 Erie · 8.8 mi80513 Berthoud · 9.3 mi

About ZIP 80501

ZIP code 80501 is assigned to Longmont, Colorado. It lies in Boulder County. Its Census area covers about 12.62 square miles of land. The closest neighboring ZIP is 80502 (Longmont), about 0.2 miles away.

Every address in 80501 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