United States ZIP Code
City: Castaic, CA
This is the Castaic ZIP Code page. Castaic is a city name in Los Angeles, California, United States. The city name is designated by USPS, it could be a city, town,village school name, etc.
Basic Information
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Country:
U.S. - United States
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State:
CA - California
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County FIPS:
06037
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County:
Castaic - ZIP Code
What is the zip code of Castaic, United States? Below is the zipcode list of Castaic.
| ZIP Code | State | City Name | City 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 |
|---|---|---|---|---|
| 91310 | CA | Castaic | D (Default) | Los Angeles |
| 91384 | CA | Castaic | D (Default) | Los Angeles |
❓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
This is the population data of Castaic in 2010 and 2020.
- City Name: Castaic
- State: California
- Population 2020: 18,921
- Population 2010: 19,015
Library
This is the Castaic - Library page list. Its detail Library Name, Address, State, ZIP Code, Phone is as below.
- Name: CASTAIC LIBRARY
- Address: 27971 SLOAN CANYON ROAD
- City: CASTAIC
- State: CA
- ZIP Code: 91384
- Phone: (661) 257-7410
School
This is the Castaic - School page list. Its detail School Name, Address, State, ZIP Code is as below.
| School Name | Address | City | State | Grades | ZIP Code |
| Santa Clarita Valley International | 28060 Hasley Canyon Rd. Ste. 200 | Castaic | CA | UG | 91384-4577 |
| Castaic Elementary | 30455 Park Vista Dr. | Castaic | CA | UG | 91384-3728 |
| Castaic Middle | 28900 Hillcrest Pkwy. | Castaic | CA | UG | 91384-3759 |
| Live Oak Elementary | 27715 Saddleridge Rd. | Castaic | CA | UG | 91384-3528 |
| Northlake Hills Elementary | 32545 Ridge Route Rd. | Castaic | CA | UG | 91384-4133 |
| Non-RIS Preschool CMS | 28900 Hillcrest Pkwy. | Castaic | CA | UG | 91384-3759 |
| Castaic High | 31575 Valley Creek Rd. | Castaic | CA | UG | 91384 |
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.
For more explanation, please read the official document: USA.pdf . (English)
Online Map
This is online map of the address Castaic, California, United States. You may use button to move and zoom in / out. The map information is for reference only.
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