Find the last 4 digits (ZIP+4) for an address in 18020

ZIP 18020, Bethlehem, PA is filled in. Just type the street address.

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ZIP Code 18020 – Bethlehem, PA

Bethlehem, Pennsylvania · Northampton County · Eastern time

ZIP code18020
CityBethlehem
StatePennsylvania
CountyNorthampton County
Population21,204
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area13.02 sq mi
Center (lat, long)40.6724, -75.3275

Area codes in this area

484610835

These are the area codes that most often serve ZIP 18020 (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

18045 Easton · 3.1 mi18017 Bethlehem · 3.2 mi18025 Bethlehem · 3.9 mi18018 Bethlehem · 4.7 mi18002 Lehigh Valley · 5.2 mi18042 Easton · 5.6 mi18043 Easton · 5.7 mi18044 Easton · 5.7 mi

About ZIP 18020

ZIP code 18020 is assigned to Bethlehem, Pennsylvania. It lies in Northampton County. Its Census area covers about 13.02 square miles of land. The closest neighboring ZIP is 18045 (Easton), about 3.1 miles away.

Every address in 18020 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