421 Area Code Phone Directory

Information for Area Code 421

State: PA
Largest City in Area: PITTSBURGH

Where is Area Code 421?

Area code (421) is in the state of PA. Below, are the major cities in the area code (421).

Major Cities in 421

PITTSBURGH, PA (195)
OVERLAND PARK, KS (69)
KANSAS CITY, MO (66)
SHAWNEE, KS (38)
DALLAS, TX (29)
LENEXA, KS (27)
OLATHE, KS (27)
SHAWNEE MISSION, KS (26)
CHATTANOOGA, TN (24)
MISSION, KS (22)

Zip Codes in 421