Find the last 4 digits (ZIP+4) for an address in 17701

ZIP 17701, Williamsport, PA is filled in. Just type the street address.

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ZIP Code 17701 – Williamsport, PA

Williamsport, Pennsylvania · Lycoming County · Eastern time

ZIP code17701
CityWilliamsport
StatePennsylvania
CountyLycoming CountySullivan County
Population43,104
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area98.03 sq mi
Center (lat, long)41.3450, -76.8572

Area codes in this area

272570

These are the area codes that most often serve ZIP 17701 (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

17754 Montoursville · 2.8 mi17705 Williamsport · 8.7 mi17762 Picture Rocks · 9.2 mi18619 Hillsgrove · 9.6 mi17737 Hughesville · 9.9 mi17703 Williamsport · 10.3 mi17771 Trout Run · 11.2 mi17763 Ralston · 11.2 mi

About ZIP 17701

ZIP code 17701 is assigned to Williamsport, Pennsylvania. It crosses 2 counties; most of its land is in Lycoming County. Its Census area covers about 98.03 square miles of land. The closest neighboring ZIP is 17754 (Montoursville), about 2.8 miles away.

Every address in 17701 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