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.

26 other ZIP codes within 10 miles of 01821

The 10-mile circle around 01821'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
01821	Billerica, MA	30,143	0.0
01862	North Billerica, MA	12,129	3.0
01730	Bedford, MA	14,707	3.8
01803	Burlington, MA	26,274	4.1
01876	Tewksbury, MA	31,004	4.5
01887	Wilmington, MA	23,336	4.6
01741	Carlisle, MA	5,239	5.6
01824	Chelmsford, MA	26,650	6.0
01731	Hanscom Afb, MA	2,110	6.1
01852	Lowell, MA	37,144	6.2
02420	Lexington, MA	16,215	6.5
01801	Woburn, MA	41,939	6.5
01851	Lowell, MA	33,403	6.9
01867	Reading, MA	25,612	7.5
02421	Lexington, MA	18,080	7.7
01850	Lowell, MA	17,740	7.8
01810	Andover, MA	35,648	8.2
01742	Concord, MA	18,448	8.3
01854	Lowell, MA	30,081	8.5
01890	Winchester, MA	23,406	8.6
01864	North Reading, MA	15,765	8.7
01773	Lincoln, MA	4,891	9.1
01718	Acton, MA	404	9.3
01863	North Chelmsford, MA	9,796	9.3
01826	Dracut, MA	32,629	9.3
02180	Stoneham, MA	23,355	9.4
01886	Westford, MA	24,690	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.