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The 423 area code is located in Tennessee near KNOXVILLE-MAIN. According to Intelius data, this area code covers roughly 1,865,328 phone numbers, including 1,056,082 mobile numbers and 809,246 landline numbers.
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.
| NXX Prefix | (423) 203-XXXX |
|---|---|
| Wire Center (WC) | Chattanooga Ninth St |
| Zone | Chattanooga |
| Primary Carrier/Company | Verizon Wireless |
| Operating Company Numbers (OCN) | 124F 6673 490J 525E |
| Line Types (LTYPE) | Wireless, PCS, Cellular VoIP Landline |
| Country | US |
| State | TN |
| County | Hamilton |
| Area Code Population | 374,682 |
| Land Area | 542.34 square miles |
| FIPS Code | 47065 |
| Time Zone | Eastern Time |
| ZIP Codes | 37341, 37343, 37350, 37351 |
| NXX Prefix | (423) 224-XXXX |
|---|---|
| Wire Center (WC) | Kingsport |
| Zone | Kingsport |
| Primary Carrier/Company | CenturyLink |
| Operating Company Numbers (OCN) | 4510 |
| Line Types (LTYPE) | Landline |
| Country | US |
| State | TN |
| County | Sullivan |
| Area Code Population | 160,820 |
| Land Area | 413.398 square miles |
| FIPS Code | 47163 |
| Time Zone | Eastern Time |
| ZIP Codes | 37660, 37662, 37663, 37664 |
| NXX Prefix | (423) 202-XXXX |
|---|---|
| Wire Center (WC) | Johnson City North |
| Zone | Johnson City |
| Primary Carrier/Company | Verizon Wireless |
| Operating Company Numbers (OCN) | 6673 792K 7278 |
| Line Types (LTYPE) | Landline VoIP Wireless, PCS, Cellular |
| Country | US |
| State | TN |
| County | Washington |
| Area Code Population | 136,172 |
| Land Area | 326.49 square miles |
| FIPS Code | 47179 |
| Time Zone | Eastern Time |
| ZIP Codes | 37601, 37602, 37604, 37605 |
| NXX Prefix | (423) 336-XXXX |
|---|---|
| Wire Center (WC) | Charleston |
| Zone | Charleston |
| Primary Carrier/Company | AT&T Southeast |
| Operating Company Numbers (OCN) | 9419 |
| Line Types (LTYPE) | Landline |
| Country | US |
| State | TN |
| County | Bradley |
| Area Code Population | 110,616 |
| Land Area | 328.762 square miles |
| FIPS Code | 47011 |
| Time Zone | Eastern Time |
| ZIP Codes | 37310, 37309 |
