U.S. ZIP Code tools

91021 · ZIP Code · Montrose CA

ZIP Code
91021

Montrose, CA

City / locality
Montrose
State
California
ZIP Code type
Type not provided
Latitude
34.2064
Longitude
-118.2242
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.

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

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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
91020MontroseCA0.50 Miles / 0.80 km
91046Verdugo CityCA0.94 Miles / 1.51 km
91208GlendaleCA1.16 Miles / 1.87 km
91011La Canada FlintridgeCA1.52 Miles / 2.45 km
91224La CrescentaCA1.53 Miles / 2.46 km
91214La CrescentaCA2.13 Miles / 3.43 km
91012La Canada FlintridgeCA2.13 Miles / 3.43 km
91207GlendaleCA3.11 Miles / 5.00 km
91206GlendaleCA3.54 Miles / 5.70 km
91202GlendaleCA3.70 Miles / 5.96 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