Find the last 4 digits (ZIP+4) for an address in 16635

ZIP 16635, Duncansville, PA is filled in. Just type the street address.

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ZIP Code 16635 – Duncansville, PA

Duncansville, Pennsylvania · Blair County · Eastern time

ZIP code16635
CityDuncansville
StatePennsylvania
CountyBlair County
Population12,003
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area56.73 sq mi
Center (lat, long)40.4077, -78.4774

Area codes in this area

582814

These are the area codes that most often serve ZIP 16635 (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

16665 Newry · 2.6 mi16637 East Freedom · 4.5 mi16699 Cresson · 5.1 mi15938 Lilly · 6.3 mi16630 Cresson · 6.6 mi16602 Altoona · 6.8 mi16603 Altoona · 7.4 mi15946 Portage · 7.8 mi

About ZIP 16635

ZIP code 16635 is assigned to Duncansville, Pennsylvania. It lies in Blair County. Its Census area covers about 56.73 square miles of land. The closest neighboring ZIP is 16665 (Newry), about 2.6 miles away.

Every address in 16635 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