About ZIP Code 94521

ZIP code 94521 is assigned to Concord, Contra Costa County, California, United States. It falls in the Pacific Time (PT) zone. The estimated population of this ZIP code area is 41,909 with a density of 1,671.1 people per square mile.

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Location Details

ZIP Code94521
CityConcord
CountyContra Costa County
CountryUnited States
TimezonePacific Time (PT)
Timezone IDAmerica/Los_Angeles
Latitude37.9529
Longitude-121.9697
ZIP TypeStandard ZIP

Post Office

Address4494 TREAT BLVD
CityCONCORD
StateCA

Nearby ZIP Codes in California

Frequently Asked Questions

What city is ZIP code 94521 in?

ZIP code 94521 is in Concord, Contra Costa County, California, United States.

What county is ZIP code 94521 in?

ZIP code 94521 is in Contra Costa County, California.

What timezone is ZIP code 94521 in?

ZIP code 94521 is in the Pacific Time (PT) zone (America/Los_Angeles).

What is the population of ZIP code 94521?

The estimated population of ZIP code 94521 is 41,909 people with a density of 1,671.1 people per square mile.

What state is ZIP code 94521 in?

ZIP code 94521 is in California (CA), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.