City: Castro Valley, CA

This is the Castro Valley ZIP Code page. Castro Valley is a city name in Alameda, California, United States. The city name is designated by USPS, it could be a city, town,village school name, etc.

Basic Information Basic Information

Castro Valley - ZIP Code Castro Valley - ZIP Code

What is the zip code of Castro Valley, United States? Below is the zipcode list of Castro Valley.

ZIP CodeStateCity NameCity Type ?In many cases, a ZIP Code can have multiple "names", meaning cities, towns, or subdivisions, in its boundaries. However, it will ALWAYS have exactly 1 "default" name. D - Default - This is the "preferred" name - by the USPS - for a city. Each ZIP Code has one - and only one - "default" name. In most cases, this is what people who live in that area call the city as well. A - Acceptable - This name can be used for mailing purposes. Often times alternative names are large neighborhoods or sections of the city/town. In some cases a ZIP Code may have several "acceptable" names which is used to group towns under one ZIP Code. N - Not Acceptable - A "not acceptable" name is, in many cases, a nickname that residents give that location. According to the USPS, you should NOT send mail to that ZIP Code using the "not acceptable" name when mailing.County
94546CACastro ValleyD (Default)Alameda
94552CACastro ValleyD (Default)Alameda

❓What does D (Default) mean? This is the "preferred" name - by the USPS - for a city. Each ZIP Code has one - and only one - "default" name. In most cases, this is what people who live in that area call the city as well.

Population Population

This is the population data of Castro Valley in 2010 and 2020.

  • City Name: Castro Valley
  • State: California
  • Population 2020: 63,288
  • Population 2010: 61,388

Museum Museum

This is the Castro Valley - Museum page list. Its detail Museum Name, Street, State, ZIP Code, Phone is as below.

Library Library

This is the Castro Valley - Library page list. Its detail Library Name, Address, State, ZIP Code, Phone is as below.

School School

This is the Castro Valley - School page list. Its detail School Name, Address, State, ZIP Code is as below.

School NameAddressCityStateGradesZIP Code
Canyon Middle19600 Cull Canyon Rd.Castro Valley CAUG94552-3715
Castro Valley Elementary20185 San Miguel Ave.Castro Valley CAUG94546-0146
Castro Valley High19400 Santa Maria Ave.Castro Valley CAUG94546-3400
Redwood Continuation High18400 Clifton WayCastro Valley CAUG94546-0146
Marshall Elementary20111 Marshall St.Castro Valley CAUG94546-4656
Palomares Elementary6395 Palo Verde Rd.Castro Valley CAUG94552-9708
Proctor Elementary17520 Redwood Rd.Castro Valley CAUG94546-1434
Roy A. Johnson High18400 Clifton WayCastro Valley CAUG94546-0146
Vannoy Elementary5100 VannoyCastro Valley CAUG94546-0146
Jensen Ranch Elementary20001 Carson Ln.Castro Valley CAUG94552-1001
Creekside Middle19722 Center St.Castro Valley CAUG94546-4704
Chabot Elementary19104 Lake Chabot Rd.Castro Valley CAUG94546-2936
Independent Elementary21201 Independent Sch Rd.Castro Valley CAUG94552-4826
Stanton Elementary2644 Somerset Ave.Castro Valley CAUG94546-4016
Alma Preschool4400 Alma Ave.Castro Valley CAUG94546-3104
Castro Valley Virtual Academy18400 Clifton WayCastro Valley CAUG94546-2020
Strobridge Elementary21400 Bedford Dr.Castro Valley CAUG94546-6805
Special Education-Preschool-Laurel2652 Vergil Ct.Castro Valley CAUG94546-6402

Envelope Example Envelope Example

This is an example of a US zip envelope. You can use a 5-digit zipcode or a detailed 9-digit zipcode to copy the mail in the following address format.

ZIP Code: city-Castro Valley
United States Envelope Example

For more explanation, please read the official document: USA.pdf . (English)

City: Castro Valley

Online Map Online Map

This is online map of the address Castro Valley, California, United States. You may use button to move and zoom in / out. The map information is for reference only.

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