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.

20 other ZIP codes within 10 miles of 18020

The 10-mile circle around 18020'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
18020	Bethlehem, PA	21,204	0.0
18045	Easton, PA	30,429	3.1
18017	Bethlehem, PA	40,640	3.3
18018	Bethlehem, PA	32,965	4.7
18042	Easton, PA	45,532	5.6
18055	Hellertown, PA	12,117	5.7
18064	Nazareth, PA	26,970	5.9
18085	Tatamy, PA	1,175	6.1
18015	Bethlehem, PA	34,852	6.2
18109	Allentown, PA	18,446	6.5
18083	Stockertown, PA	489	6.6
18040	Easton, PA	17,256	7.4
18032	Catasauqua, PA	9,555	7.4
18081	Springtown, PA	85	7.9
18014	Bath, PA	12,097	7.9
18077	Riegelsville, PA	2,203	8.5
18067	Northampton, PA	19,590	8.7
18101	Allentown, PA	6,120	8.8
18102	Allentown, PA	51,001	9.0
18052	Whitehall, PA	29,451	9.3
08865	Phillipsburg, NJ	31,427	9.8

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.