Tool

ZIP Codes Within a Radius

Enter a ZIP code and a distance. The tool lists every residential ZIP code whose center (the Census Bureau's internal point of its area) lies within that many miles, nearest first. PO Box and single-organization codes have no area of their own, so they are not placed.

18 other ZIP codes within 10 miles of 94403

The 10-mile circle around 94403's center; residential ZIP codes centered inside it, shaded by median household income in national fifths (ACS 2020-2024); the others are outlined. <$54k$98k+no figureZIP codes centered outside the circle

Distance between internal points, in miles
ZIP	Town	People	Miles
94403	San Mateo, CA	43,276	0.0
94402	San Mateo, CA	25,475	1.4
94002	Belmont, CA	27,534	1.8
94404	San Mateo, CA	35,881	2.4
94401	San Mateo, CA	35,295	2.7
94065	Redwood City, CA	11,673	3.1
94070	San Carlos, CA	30,447	3.4
94010	Burlingame, CA	43,025	4.5
94061	Redwood City, CA	37,048	6.5
94063	Redwood City, CA	34,433	6.8
94030	Millbrae, CA	22,689	6.8
94128	San Francisco, CA	0	7.2
94019	Half Moon Bay, CA	14,419	8.0
94027	Atherton, CA	7,002	8.0
94062	Redwood City, CA	25,759	8.1
94025	Menlo Park, CA	40,721	9.0
94066	San Bruno, CA	42,728	9.2
94038	Moss Beach, CA	2,683	9.2
94018	El Granada, CA	3,834	9.5

Source: U.S. Census Bureau, 2023 Gazetteer internal points (2020 ZCTAs); GeoNames postal codes (CC BY 4.0) for a PO Box origin's town. Straight-line distance, not driving distance.