Search by phone, name, address
Sign In
644 Area Code Phone Directory
Phone Prefixes in the 644 Area Code
Information for Area Code 644
Largest City in Area: COLUMBUS
Where is Area Code 644?
Area code (644) is in the state of OH. Below, are the major cities in the area code (644).
Area Codes Starting with 6
Major Cities in 644
COLUMBUS, OH (76)
CHICAGO, IL (66)
DES MOINES, IA (64)
BROOKLYN, NY (62)
OKLAHOMA CITY, OK (57)
NEW YORK, NY (55)
HOUSTON, TX (55)
DALLAS, TX (50)
TULSA, OK (48)
LOS ANGELES, CA (46)