Baldwin Park, CA ZIP Code
Baldwin Park, California has one ZIP code: .
Mail addressed to Baldwin Park covers nearby places too.
Where the 91706 ZIP code reaches
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Dashed line: Baldwin Park city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in Baldwin Park
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Why your mail may say Baldwin Park when you live outside it
Baldwin Park ZIP codes also cover Irwindale, so a letter addressed to Baldwin Park can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Los Angeles County property records show which city you are in.
Baldwin Park ZIP code questions
What is the main ZIP code for Baldwin Park?
91706, the ZIP code of the main Baldwin Park post office at 4230 Maine Ave.
What county is Baldwin Park in?
Los Angeles County.
ZIP codes for towns near Baldwin Park
More towns near Baldwin Park: Temple City, Monrovia, Hacienda Heights, Rosemead, San Gabriel, Glendora, Whittier, Rowland Heights, Montebello.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections