California's New Congressional Districts (updated 2/5/2026)
Zip Code Directory for 2025
These zip codes are reflective of the districts after the 2024 election.
If you are looking for a single address in a Senate or Assembly District please use the "Find Your California Representative" tool for a more accurate result.
Senate Districts
Senate districts established by the California Citizens Redistricting Commission (CRC) 2021 full enacted after the 2024 election.
2025 Senate District Zip Codes sorted by zip code and by district in excel format with tabs.
2025 Senate District Zip Codes sorted by zip code in PDF format.
2025 Senate District Zip Codes sorted by district in PDF format.
Notes:
There are several Zip Codes that start with "8", these are Post Offices based in Nevada that deliver into communities on the California/Nevada border.
Zip Codes with 0% - This indicates that the zip code is in the district but has no population at a block level or Single point location such as a P.O. Box, business, or institution may also be listed as 0%.
Assembly Districts
State Assembly districts established by the California Citizens Redistricting Commission (CRC) 2021 and changed with the 2022 election cycle.
2025 Assembly District Zip Codes sorted by zip code and by district in excel format with tabs.
2025 Assembly District Zip Codes sorted by zip code in PDF format.
2025 Assembly District Zip Codes sorted by district in PDF format.
Notes:
There are several Zip Codes that start with "8", these are Post Offices based in Nevada that deliver into communities on the California/Nevada border.
Zip Codes with 0% - This indicates that the zip code is in the district but has no population at a block level or Single point location such as a P.O. Box, business, or institution may also be listed as 0%.
Congressional Districts
Congressional districts established by the California Citizens Redistricting Commission (CRC) 2021 and changed with the 2022 election cycle.
2025 Congressional District Zip Codes sorted by zip code and by district in excel format with tabs.
2025 Congressional District Zip Codes sorted by zip code in PDF format.
2025 Congressional District Zip Codes sorted by district in PDF format.
Notes:
There are several Zip Codes that start with "8", these are Post Offices based in Nevada that deliver into communities on the California/Nevada border.
Zip Codes with 0% - This indicates that the zip code is in the district but has no population at a block level or Single point location such as a P.O. Box, business, or institution may also be listed as 0%.
California's U.S. House Districts (120th Congress)
Congressional districts established by the voters of California with the passage of Proposition 50 (2025) on November 4, 2025. Districts will go into effect after the November 2026 elections and upon seating of the 120th Congress, January 3, 2027. These districts will stay in use until the California Citizens Redistricting Commission draws new maps following the 2030 U.S. Census.
California 120th Congress U.S. House District Zip Codes sorted by zip code and by district in excel format with tabs.
California 120th Congress U.S. House District Zip Codes sorted by zip code in PDF format.
California 120th Congress U.S. House District Zip Codes sorted by district in PDF format.
Notes:
There are several Zip Codes that start with "8", these are Post Offices based in Nevada that deliver into communities on the California/Nevada border.
Zip Codes with 0% - This indicates that the zip code is in the district but has no population at a block level or Single point location such as a P.O. Box, business, or institution may also be listed as 0%.
updated 2/2026