Active Prefixes in Area Code 423
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 423-929-#### | Johnson City | Landline Numbers | United Telephone-sou... |
| 423-930-#### | Johnson City | Landline Numbers | Mountainet Telephone... |
| 423-933-#### | Chattanooga | Landline Numbers | Network Telephone Co... |
| 423-938-#### | Johnson City | Landline Numbers | United Telephone-sou... |
| 423-939-#### | Jasper | Landline Numbers | Network Telephone Co... |
| 423-942-#### | Jasper | Landline Numbers | Bellsouth Telecomm I... |
| 423-943-#### | Johnson City | Wireless Numbers | Sprint Spectrum L.p.... |
| 423-944-#### | Clinchport | Landline Numbers | Scott County Telepho... |
| 423-946-#### | Johnson City | Wireless Numbers | Sprint Spectrum L.p.... |
| 423-948-#### | Limestone | Wireless Numbers | Sprint Spectrum L.p.... |
| 423-949-#### | Dunlap | Landline Numbers | Bledsoe Telephone Co... |
| 423-952-#### | Johnson City | Landline Numbers | United Telephone-sou... |
| 423-953-#### | Johnson City | Landline Numbers | United Telephone-sou... |
| 423-954-#### | Chattanooga | Landline Numbers | Bellsouth Telecomm I... |
| 423-956-#### | Bristol | Wireless Numbers | Cellco Partnership D... |
| 423-957-#### | Hampton | Wireless Numbers | Sprint Spectrum L.p.... |
| 423-961-#### | Cleveland | Landline Numbers | Bellsouth Telecomm I... |
| 423-963-#### | Kingsport | Wireless Numbers | Sprint Spectrum L.p.... |
| 423-965-#### | Deer Lodge | Landline Numbers | Highland Telephone C... |
| 423-967-#### | Kingsport | Wireless Numbers | Sprint Spectrum L.p.... |
| 423-968-#### | Bristol | Landline Numbers | United Telephone-sou... |
| 423-972-#### | Greeneville | Wireless Numbers | Sprint Spectrum L.p.... |
| 423-973-#### | Sneedville | Landline Numbers | Level 3 Communicatio... |
| 423-975-#### | Johnson City | Landline Numbers | United Telephone-sou... |
| 423-979-#### | Johnson City | Landline Numbers | United Telephone-sou... |
| 423-987-#### | Chattanooga | Wireless Numbers | New Cingular Wireles... |
| 423-989-#### | Bristol | Landline Numbers | United Telephone-sou... |
| 423-990-#### | Bristol | Landline Numbers | United Telephone-sou... |
| 423-991-#### | Chattanooga | Wireless Numbers | New Cingular Wireles... |
| 423-994-#### | Chattanooga | Wireless Numbers | New Cingular Wireles... |
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 | |