Willow Grove, Pennsylvania

1 ZIP code · Eastern time

ZIP codes (largest first)

19090 · 19,662
Population14,131
StatePennsylvania
CountyMontgomery County
Time zoneEastern
Land area2.54 sq mi

Area codes in this area

215267445

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

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