Bethlehem, Pennsylvania

6 ZIP codes · Eastern time

ZIP codes (largest first)

18017 · 40,64018015 · 34,85218018 · 32,96518020 · 21,20418016 (PO box)18025 (PO box)
Population77,956
StatePennsylvania
CountyNorthampton County, Lehigh County
Time zoneEastern
Land area19.12 sq mi

Area codes in this area

484610835

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

Find the ZIP+4 for an address in Bethlehem

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

Population: U.S. Census Bureau, ACS 5-year estimates, 2024.