Active Prefixes in Area Code 423
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 423-200-#### | Morristown | Landline Numbers | Level 3 Communicatio... |
| 423-201-#### | LaFollette | Landline Numbers | Level 3 Communicatio... |
| 423-202-#### | Johnson City | Landline Numbers | Brooks Fiber Communi... |
| 423-206-#### | Morristown | Wireless Numbers | Usa Mobility Wireles... |
| 423-207-#### | Kingsport | Landline Numbers | Level 3 Communicatio... |
| 423-208-#### | Chattanooga | Wireless Numbers | New Cingular Wireles... |
| 423-209-#### | Chattanooga | Landline Numbers | Bellsouth Telecomm I... |
| 423-210-#### | Tellico Plains | Wireless Numbers | United States Cellul... |
| 423-212-#### | Blountville | Landline Numbers | Level 3 Communicatio... |
| 423-213-#### | Johnson City | Wireless Numbers | Sprint Spectrum L.p.... |
| 423-214-#### | Englewood | Wireless Numbers | United States Cellul... |
| 423-215-#### | Oneida | Wireless Numbers | Cellco Partnership D... |
| 423-216-#### | Benton | Landline Numbers | Network Telephone Co... |
| 423-217-#### | Bristol | Landline Numbers | Level 3 Communicatio... |
| 423-218-#### | Johnson City | Landline Numbers | Level 3 Communicatio... |
| 423-219-#### | Copperhill | Landline Numbers | Network Telephone Co... |
| 423-220-#### | Johnson City | Landline Numbers | Us Lec Of Tennessee,... |
| 423-221-#### | Chattanooga | Wireless Numbers | Usa Mobility Wireles... |
| 423-222-#### | Morristown | Landline Numbers | Pagepro Corporation... |
| 423-223-#### | Oneida | Wireless Numbers | New Cingular Wireles... |
| 423-224-#### | Kingsport | Landline Numbers | United Telephone-sou... |
| 423-225-#### | Benton | Landline Numbers | Alec, Llc - Tn... |
| 423-226-#### | Church Hill | Landline Numbers | Bandwidth.com Clec, ... |
| 423-227-#### | Chattanooga | Wireless Numbers | Powertel Atlanta Lic... |
| 423-228-#### | South Pittsburg | Landline Numbers | Us Lec Of Tennessee,... |
| 423-229-#### | Kingsport | Landline Numbers | United Telephone-sou... |
| 423-230-#### | Kingsport | Landline Numbers | United Telephone-sou... |
| 423-231-#### | Morristown | Wireless Numbers | New Cingular Wireles... |
| 423-232-#### | Johnson City | Landline Numbers | United Telephone-sou... |
| 423-233-#### | Johnson City | Landline Numbers | Pro Page Partners, L... |
Area Code 423 Introduction
| Area Code: | 423 |
| Country: | United States |
| State/Province: | Tennessee - TN |
| Major City: | Chattanooga |
| Time Zone: | Eastern / Central |
| Average property | $98.8K |
| Average age | 62 y/o |
| Average assets | $52.3K |
| Population density | 42,143 sq mi (109,247 km2) |
| Population | 6,651,194 |
| latitude Longitude: | |
| 34° 59′ N to 36° 41′ N / 81° 39′ W to 90° 19′ W | |
| About 423 : | |
| The 423 Area Code (or Area Code 423) is located in the state of TN. Area Code 423 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 2.01 million unique phone numbers and 6.9 million individuals near the city of Morristown Area code 423 was put into service. Area code 423 was created from a split of area code 615. In 1999 area code 423 was split to form area code 865. |
|
| Major cities or places | |
| Chattanooga, TN>Cleveland, TN>East Ridge, TN>Johnson City, TN>Kingsport, TN>Morristown, TN | |