Castro Valley, California - Area code 510

Area code
Castro Valley, CA
0510
Local time
Castro Valley, CA
Emergency phone number
Castro Valley, CA
911
United States
State: California
State code: CA
Area: Castro Valley, CA
Area code: 0510
Country Calling Code: +1
E.164 (Country Code): 1
Emergency phone number: 911
Capital: Washington D.C.
Language: English
Valuta: US Dollar (USD)
2 DIGIT ISO: US
3 DIGIT ISO: USA
Local Time: 01:16
Timezone: America/Los_Angeles
Population: 39 512 223
Land Area: 9 629 091 KM2

Castro Valley, California - United States, California

Castro Valley is located in United States and has area code 510. When calling a person or company located in Castro Valley from abroad, you must first type the plus sign (+) or double zero (00) followed by the country code and then the area code. In this case +1510 followed by the phone number.

Local time and other details

Local time in Castro Valley, CA is 01:16.

Castro Valley - Postal numbers

Castro Valley has 2 different postal numbers / zip numbers.
Postal numberMunicipalityCountyLon/Lat
94546Castro ValleyCalifornia-122.0782/37.7015
94552Castro ValleyCalifornia-122.0381/37.7131

Other areas in California with area code 510

Castro Valley share the same area code (0510) with these 13 other areas in California.

Richmond, Union City, Alameda, Hayward, Fremont, Oakland, Berkeley, Hercules, San Leandro, Castro Valley, Emeryville, Pinole, Crockett

Area code Area name
0510 Richmond
0510 Union City
0510 Alameda
0510 Hayward
0510 Fremont
0510 Oakland
0510 Berkeley
0510 Hercules
0510 San Leandro
0510 Castro Valley
0510 Emeryville
0510 Pinole
0510 Crockett