Find the last 4 digits (ZIP+4) for an address in 18951

ZIP 18951, Quakertown, PA is filled in. Just type the street address.

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ZIP Code 18951 – Quakertown, PA

Quakertown, Pennsylvania · Bucks County · Eastern time

ZIP code18951
CityQuakertown
StatePennsylvania
CountyBucks CountyLehigh County
Population36,568
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area71.69 sq mi
Center (lat, long)40.4592, -75.3474

Area codes in this area

484610835

These are the area codes that most often serve ZIP 18951 (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

18955 Richlandtown · 2.5 mi18981 Zionhill · 3 mi18935 Milford Square · 3.1 mi18970 Trumbauersville · 3.7 mi18036 Coopersburg · 4.1 mi18968 Spinnerstown · 4.9 mi18060 Limeport · 6.3 mi18960 Sellersville · 6.5 mi

About ZIP 18951

ZIP code 18951 is assigned to Quakertown, Pennsylvania. It crosses 2 counties; most of its land is in Bucks County. Its Census area covers about 71.69 square miles of land. The closest neighboring ZIP is 18955 (Richlandtown), about 2.5 miles away.

Every address in 18951 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