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.

12 other ZIP codes within 10 miles of 03857

The 10-mile circle around 03857'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
03857	Newmarket, NH	9,463	0.0
03856	Newfields, NH	2,023	2.5
03824	Durham, NH	15,080	3.5
03885	Stratham, NH	7,754	4.5
03861	Lee, NH	4,576	4.5
03840	Greenland, NH	4,106	5.6
03833	Exeter, NH	22,817	6.6
03801	Portsmouth, NH	23,484	7.1
03823	Madbury, NH	2,203	7.2
03042	Epping, NH	7,430	7.3
03820	Dover, NH	33,440	8.6
03862	North Hampton, NH	4,610	8.6
03044	Fremont, NH	4,831	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.