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.

25 other ZIP codes within 10 miles of 18103

The 10-mile circle around 18103'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
18103	Allentown, PA	48,746	0.0
18101	Allentown, PA	6,120	2.5
18102	Allentown, PA	51,001	2.7
18049	Emmaus, PA	18,941	3.3
18106	Allentown, PA	6,226	4.0
18046	East Texas, PA	201	4.1
18104	Allentown, PA	48,683	4.2
18034	Center Valley, PA	9,209	4.2
18109	Allentown, PA	18,446	5.1
18087	Trexlertown, PA	590	5.6
18032	Catasauqua, PA	9,555	6.0
18052	Whitehall, PA	29,451	6.1
18018	Bethlehem, PA	32,965	6.3
18015	Bethlehem, PA	34,852	6.5
18062	Macungie, PA	27,110	6.5
18036	Coopersburg, PA	15,581	6.8
18092	Zionsville, PA	3,230	7.1
18195	Allentown, PA	0	7.2
18069	Orefield, PA	8,515	7.6
18017	Bethlehem, PA	40,640	8.2
18037	Coplay, PA	7,472	8.4
18031	Breinigsville, PA	11,570	8.4
18056	Hereford, PA	1,489	9.1
18051	Fogelsville, PA	3,624	9.5
18055	Hellertown, PA	12,117	9.8
18078	Schnecksville, PA	7,857	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.