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423 Area Code Phone Directory

Phone Prefixes in the 423 Area Code

(423) 2XX (423) 3XX (423) 4XX (423) 5XX (423) 6XX (423) 7XX (423) 8XX (423) 9XX

Information for Area Code 423

State: TN

Largest City in Area: CHATTANOOGA

Where is Area Code 423?

Area code (423) is in the state of TN. Below, are the major cities in the area code (423).

Area Codes Starting with 4

Major Cities in 423

CHATTANOOGA, TN (798,598)

JOHNSON CITY, TN (345,336)

KNOXVILLE, TN (326,804)

KINGSPORT, TN (317,353)

CLEVELAND, TN (303,479)

HIXSON, TN (229,209)

MORRISTOWN, TN (169,598)

BRISTOL, TN (146,860)

GREENEVILLE, TN (144,946)

OOLTEWAH, TN (141,202)

Zip Codes in 423

37302

37303

37304

37307

37308

37309

37310

37311

37312

37314

37315

37316

37317

37320

37321

37322

37323

37325

37326

37327

37329