Find the last 4 digits (ZIP+4) for an address in 94931

ZIP 94931, Cotati, CA is filled in. Just type the street address.

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ZIP Code 94931 – Cotati, CA

Cotati, California · Sonoma County · Pacific time

ZIP code94931
CityCotati
StateCalifornia
CountySonoma County
Population9,487
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area7.74 sq mi
Center (lat, long)38.3252, -122.7170

Area codes in this area

707369

These are the area codes that most often serve ZIP 94931 (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

94926 Rohnert Park · 1.3 mi94927 Rohnert Park · 1.3 mi94928 Rohnert Park · 1.9 mi94951 Penngrove · 3.9 mi95407 Santa Rosa · 5 mi94999 Petaluma · 5.1 mi94952 Petaluma · 6.7 mi94953 Petaluma · 7.7 mi

About ZIP 94931

ZIP code 94931 is assigned to Cotati, California. It lies in Sonoma County. Its Census area covers about 7.74 square miles of land. The closest neighboring ZIP is 94926 (Rohnert Park), about 1.3 miles away.

Every address in 94931 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