Williamsport, Pennsylvania

4 ZIP codes · Eastern time

ZIP codes (largest first)

17701 · 43,10417702 · 10,48817703 (PO box)17705 (PO box)
Population27,612
StatePennsylvania
CountyLycoming County
Time zoneEastern
Land area8.78 sq mi

Area codes in this area

272570

These are the area codes that most often serve Williamsport (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 Williamsport

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