Find the last 4 digits (ZIP+4) for an address in 18351

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ZIP Code 18351 – Portland, PA

Portland, Pennsylvania · Northampton County · Eastern time

ZIP code18351
CityPortland
StatePennsylvania
CountyNorthampton County
Population546
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.33 sq mi
Center (lat, long)40.9231, -75.0999

Area codes in this area

272570

These are the area codes that most often serve ZIP 18351 (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

07832 Columbia · 2.3 mi18343 Mount Bethel · 2.3 mi07833 Delaware · 2.6 mi18327 Delaware Water Gap · 4.8 mi18341 Minisink Hills · 5.7 mi18013 Bangor · 5.9 mi18356 Shawnee On Delaware · 6.4 mi07844 Hope · 6.9 mi

About ZIP 18351

ZIP code 18351 is assigned to Portland, Pennsylvania. It lies in Northampton County. Its Census area covers about 0.33 square miles of land. The closest neighboring ZIP is 07832 (Columbia), about 2.3 miles away.

Every address in 18351 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