644 Area Code Information

State: OH

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).

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)

Zip Codes in 644

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