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.

10 other ZIP codes within 10 miles of 03237

The 10-mile circle around 03237'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
03237	Gilmanton, NH	2,575	0.0
03837	Gilmanton Iron Works, NH	1,451	2.7
03220	Belmont, NH	7,393	5.6
03249	Gilford, NH	7,830	6.1
03810	Alton Bay, NH	2,314	7.3
03307	Loudon, NH	5,724	7.4
03218	Barnstead, NH	1,160	8.7
03225	Center Barnstead, NH	3,834	8.7
03276	Tilton, NH	9,015	9.5
03809	Alton, NH	3,680	9.7
03224	Canterbury, NH	2,392	9.8

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.