U.S. ZIP Code tools

80309 · ZIP Code · Boulder CO

ZIP Code
80309

Boulder, CO

City / locality
Boulder
State
Colorado
ZIP Code type
Type not provided
Latitude
40.015
Longitude
-105.2705
Coordinate source
GeoNames Postal
Source
GeoNames Postal
Source year
Inherited source snapshot

Some U.S. place names and coordinates come from GeoNames as geographic references. They are not confirmation of the USPS preferred mailing city.

ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.

ZIP Code map

ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.

View map

A verified ZCTA boundary is not available for this code.

Population & demographics

Population & demographics

ACS estimates are not available for this ZCTA and selected year.

County

Verified ZIP-to-county crosswalk data is not currently available.

Nearby postal codes

ZIP CodeCity / localityStateDistance calculator
80310BoulderCO0.00 Miles / 0.00 km
80302BoulderCO0.79 Miles / 1.27 km
80304BoulderCO1.59 Miles / 2.56 km
80303BoulderCO2.32 Miles / 3.74 km
80305BoulderCO2.54 Miles / 4.09 km
80301BoulderCO3.82 Miles / 6.15 km
80025Eldorado SpringsCO5.78 Miles / 9.30 km
80308BoulderCO6.22 Miles / 10.00 km
80027LouisvilleCO7.07 Miles / 11.37 km
80307BoulderCO7.41 Miles / 11.93 km

Source

GeoNames Postal

Source year: Source vintage not supplied

GeoNames Postal

U.S. Census Bureau Gazetteer

Source year: 2026 Gazetteer

U.S. Census Bureau Gazetteer