Castro Valley, CA ZIP Codes

Mailing address format for Castro Valley

John Smith
123 Main St
CASTRO VALLEY CA 94541
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

All ZIP codes in Castro Valley

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

Where is Castro Valley? Location, county and time zone

State

California

County

Alameda County

GPS coordinates

37.70827, -122.06275

Elevation

164 ft (50 m)

Time zone

America/Los AngelesPST · UTC-08:00

Population

66,441

Map of Castro Valley, CA 94541

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Castro Valley Street View

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ZIP codes near Castro Valley

• Fairview, CA
  945422.3 mi
• Cherryland, CA
  945413.0 mi
• Ashland, CA
  94578, 945803.1 mi
• San Lorenzo, CA
  94580, 945794.6 mi
• Norris Canyon, CA
  945834.8 mi
• San Leandro, CA
  94577, 94603, 94580, 945795.5 mi
• Hayward, CA
  94545, 94587, 94580, 945446.1 mi
• Union City, CA
  94544, 94587, 945367.7 mi
• San Ramon, CA
  94582, 94583, 945068.3 mi
• Danville, CA
  94526, 94583, 945288.8 mi
• Dublin, CA
  945689.1 mi
• Oakland, CA
  94601, 94621, 94619, 946139.9 mi

Castro Valley ZIP code: FAQ