Find the last 4 digits (ZIP+4) for an address in 18106

ZIP 18106, Allentown, PA is filled in. Just type the street address.

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ZIP Code 18106 – Allentown, PA

Allentown, Pennsylvania · Lehigh County · Eastern time

ZIP code18106
CityAllentown
StatePennsylvania
CountyLehigh County
Population6,226
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area7.96 sq mi
Center (lat, long)40.5637, -75.5652

Area codes in this area

484610835

These are the area codes that most often serve ZIP 18106 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

18046 East Texas · 1.1 mi18087 Trexlertown · 1.6 mi18195 Allentown · 3.4 mi18104 Allentown · 3.4 mi18098 Emmaus · 4 mi18099 Emmaus · 4 mi18103 Allentown · 4 mi18062 Macungie · 4.1 mi

About ZIP 18106

ZIP code 18106 is assigned to Allentown, Pennsylvania. It lies in Lehigh County. Its Census area covers about 7.96 square miles of land. The closest neighboring ZIP is 18046 (East Texas), about 1.1 miles away.

Every address in 18106 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources