ZIP Code 94140

94140 is one of California's ZIP codes, delivering to addresses in San Francisco, San Francisco County.

City

San Francisco

County

San Francisco County

State

California

Prefix

941xx

Where this code sits

94140 is part of the 941xx range, the group of codes handled by one mail processing centre. San Francisco is served by 51 ZIP codes in total; the full list, with the county each falls in, is on the San Francisco page.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 94140 delivers to without sharing its boundary.

ZIP codes nearest 94140

The ZIP codes whose reference points sit closest to 94140.
ZIP code	Distance	Delivers to
ZIP code 94119	0.0 mi	San Francisco, CA
ZIP code 94120	0.0 mi	San Francisco, CA
ZIP code 94125	0.0 mi	San Francisco, CA
ZIP code 94126	0.0 mi	San Francisco, CA
ZIP code 94137	0.0 mi	San Francisco, CA
ZIP code 94139	0.0 mi	San Francisco, CA
ZIP code 94141	0.0 mi	San Francisco, CA
ZIP code 94142	0.0 mi	San Francisco, CA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 94140, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 94140. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.