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.

15 other ZIP codes within 10 miles of 06423

The 10-mile circle around 06423'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
06423	East Haddam, CT	5,182	0.0
06439	Hadlyme, CT	65	2.9
06469	Moodus, CT	3,311	4.6
06412	Chester, CT	3,825	5.9
06438	Haddam, CT	2,887	6.2
06415	Colchester, CT	16,038	6.8
06420	Salem, CT	4,368	7.2
06426	Essex, CT	3,267	7.3
06371	Old Lyme, CT	9,828	7.4
06417	Deep River, CT	4,458	7.6
06409	Centerbrook, CT	701	7.7
06442	Ivoryton, CT	2,826	8.2
06424	East Hampton, CT	12,751	9.2
06333	East Lyme, CT	7,389	9.7
06441	Higganum, CT	5,348	9.9
06456	Middle Haddam, CT	281	9.9

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.