The 423 area code is located in the state of Tennessee, and according to Intelius data, covers roughly 1,865,328 phone numbers. Chattanooga Ninth St is the largest city within this area code with a population of about 374,682.
Have you received a call from a number with a 423 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.
| County | Hamilton |
|---|---|
| Population | 374,682 |
| County | Sullivan |
|---|---|
| Population | 160,820 |
| County | Washington |
|---|---|
| Population | 136,172 |
| County | Bradley |
|---|---|
| Population | 110,616 |
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