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.

21 other ZIP codes within 10 miles of 01851

The 10-mile circle around 01851'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
01851	Lowell, MA	33,403	0.0
01854	Lowell, MA	30,081	1.6
01852	Lowell, MA	37,144	2.1
01850	Lowell, MA	17,740	2.6
01824	Chelmsford, MA	26,650	2.7
01863	North Chelmsford, MA	9,796	3.1
01862	North Billerica, MA	12,129	4.0
01826	Dracut, MA	32,629	4.0
01879	Tyngsboro, MA	12,550	5.4
01876	Tewksbury, MA	31,004	5.7
01886	Westford, MA	24,690	6.0
01741	Carlisle, MA	5,239	6.4
01821	Billerica, MA	30,143	6.9
03076	Pelham, NH	14,449	7.1
01718	Acton, MA	404	8.7
01827	Dunstable, MA	3,408	8.9
01810	Andover, MA	35,648	9.0
01730	Bedford, MA	14,707	9.3
01887	Wilmington, MA	23,336	9.8
03051	Hudson, NH	25,557	9.9
01843	Lawrence, MA	27,445	9.9
03060	Nashua, NH	31,657	10.0

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.