Find the last 4 digits (ZIP+4) for an address in 91977

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ZIP Code 91977 – Spring Valley, CA

Spring Valley, California · San Diego County · Pacific time

ZIP code91977
CitySpring Valley
StateCalifornia
CountySan Diego County
Population61,064
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area9.92 sq mi
Center (lat, long)32.7262, -116.9943

Area codes in this area

858

These are the area codes that most often serve ZIP 91977 (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

91976 Spring Valley · 1.3 mi91979 Spring Valley · 1.3 mi91941 La Mesa · 2.3 mi91945 Lemon Grove · 2.4 mi91946 Lemon Grove · 2.4 mi91943 La Mesa · 3.3 mi91944 La Mesa · 3.3 mi91902 Bonita · 3.7 mi

About ZIP 91977

ZIP code 91977 is assigned to Spring Valley, California. It lies in San Diego County. Its Census area covers about 9.92 square miles of land. The closest neighboring ZIP is 91976 (Spring Valley), about 1.3 miles away.

Every address in 91977 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