Find the last 4 digits (ZIP+4) for an address in 94548

ZIP 94548, Knightsen, CA is filled in. Just type the street address.

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ZIP Code 94548 – Knightsen, CA

Knightsen, California · Contra Costa County · Pacific time

ZIP code94548
CityKnightsen
StateCalifornia
CountyContra Costa County
Population832
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area2.31 sq mi
Center (lat, long)37.9743, -121.6514

Area codes in this area

925

These are the area codes that most often serve ZIP 94548 (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

94561 Oakley · 2.5 mi94511 Bethel Island · 3.9 mi94513 Brentwood · 3.9 mi94531 Antioch · 7 mi94505 Discovery Bay · 7.7 mi95219 Stockton · 8.7 mi94509 Antioch · 8.8 mi94514 Byron · 10.3 mi

About ZIP 94548

ZIP code 94548 is assigned to Knightsen, California. It lies in Contra Costa County. Its Census area covers about 2.31 square miles of land. The closest neighboring ZIP is 94561 (Oakley), about 2.5 miles away.

Every address in 94548 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