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.

13 other ZIP codes within 10 miles of 06340

The 10-mile circle around 06340'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
06340	Groton, CT	29,863	0.0
06320	New London, CT	27,703	3.2
06355	Mystic, CT	12,173	3.6
06375	Quaker Hill, CT	3,670	5.6
06335	Gales Ferry, CT	6,307	5.6
06385	Waterford, CT	15,966	6.1
06339	Ledyard, CT	9,113	6.6
06378	Stonington, CT	5,555	7.1
06390	Fishers Island, NY	72	7.1
06338	Mashantucket, CT	27	8.4
06382	Uncasville, CT	10,143	8.7
06353	Montville, CT	439	8.7
06357	Niantic, CT	11,332	9.6
06379	Pawcatuck, CT	9,017	9.7

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.