399 Area Code Information

State: IL

Largest City in Area: PEORIA

Where is Area Code 399? Area code (399) is in the state of IL. Below, are the major cities in the area code (399).

Major Cities in 399

  • PEORIA, IL (7)
  • NASHVILLE, TN (7)
  • LOS ANGELES, CA (5)
  • STATEN ISLAND, NY (5)
  • PHOENIX, AZ (4)
  • TUCSON, AZ (4)
  • BAKERSFIELD, CA (4)
  • SAN JOSE, CA (4)
  • VICTORVILLE, CA (4)
  • JACKSONVILLE, FL (4)

Zip Codes in 399

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