Telephone Area 423. .
Prefix: +1423
This prefix is distributed within the state Tennessee
The largest city in the region is Chattanooga
Time Zone: Eastern / Central
Winter time: UTC-5 / UTC-6
Summer time: UTC-4 / UTC-5
Below on the map, there is indicated the largest city in the telephone area +1-423-...-.... Tennessee Chattanooga.
Phone numbers +1-423-YYY-YYYY
| Company | District | Major City | Prefix |
|---|---|---|---|
| Level 3 Communications | Hamblen | Morristown, TN | +1-423200-SSSS |
| Level 3 Communications | Campbell | La Follette, TN | +1-423201-SSSS |
| Brooks Fiber Communications Of Tennessee-tn | Washington | Johnson City, TN | +1-423202-SSSS |
| Usa Mobility Wireless | Hamblen | Morristown, TN | +1-423206-SSSS |
| Level 3 Communications | Washington | Kingsport, TN | +1-423207-SSSS |
| New Cingular Wireless PCS - GA | Chattanooga, TN | +1-423208-SSSS | |
| Bellsouth Telecomm Inc DBA South Central Bell Tel | Hamilton | Chattanooga, TN | +1-423209-SSSS |
| United States Cellular Corp. - Tennessee | Monroe | Tellico Plains, TN | +1-423210-SSSS |
| Level 3 Communications | Sullivan | Blountville, TN | +1-423212-SSSS |
| Sprint Spectrum L.p. | Washington | Johnson City, TN | +1-423213-SSSS |
| United States Cellular Corp. - Tennessee | Mcminn | Englewood, TN | +1-423214-SSSS |
| Cellco Partnership DBA Verizon Wireless | Scott | Oneida, TN | +1-423215-SSSS |
| Network Telephone Corporation | Polk | Benton, TN | +1-423216-SSSS |
| Level 3 Communications | Sullivan | Bristol, TN | +1-423217-SSSS |
| Level 3 Communications | Washington | Johnson City, TN | +1-423218-SSSS |
| Network Telephone Corporation | Polk | Copperhill, TN | +1-423219-SSSS |
| Us Lec Of Tennessee, Inc | Washington | Johnson City, TN | +1-423220-SSSS |
| Usa Mobility Wireless | Hamilton | Chattanooga, TN | +1-423221-SSSS |
| Pagepro Corporation | Hamblen | Morristown, TN | +1-423222-SSSS |
| New Cingular Wireless PCS - GA | Oneida, TN | +1-423223-SSSS | |
| United Telephone-southeast-tn DBA Centurylink | Sullivan | Kingsport, TN | +1-423224-SSSS |
| Alec | Benton, TN | +1-423225-SSSS | |
| Bandwidth.com Clec | Church Hill, TN | +1-423226-SSSS | |
| Powertel Atlanta Licenses | Hamilton | Chattanooga, TN | +1-423227-SSSS |
| Us Lec Of Tennessee, Inc | Marion | South Pittsburg, TN | +1-423228-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Sullivan | Kingsport, TN | +1-423229-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Sullivan | Kingsport, TN | +1-423230-SSSS |
| New Cingular Wireless PCS - GA | Hamblen | Morristown, TN | +1-423231-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Washington | Johnson City, TN | +1-423232-SSSS |
| Pro Page Partners | Washington | Johnson City, TN | +1-423233-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Hawkins | Surgoinsville, TN | +1-423234-SSSS |
| Bellsouth Telecomm Inc DBA South Central Bell Tel | Hawkins | Bulls Gap, TN | +1-423235-SSSS |
| Centurytel Ooltewah-collegedale DBA Centurylink | Hamilton | Apison, TN | +1-423236-SSSS |
| New Cingular Wireless PCS - GA | Cocke | Newport, TN | +1-423237-SSSS |
| Centurytel Ooltewah-collegedale DBA Centurylink | Hamilton | Ooltewah, TN | +1-423238-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Sullivan | Kingsport, TN | +1-423239-SSSS |
| Cellco Partnership DBA Verizon Wireless | Hamilton | Chattanooga, TN | +1-423240-SSSS |
| Cellco Partnership DBA Verizon Wireless | Polk | Copperhill, TN | +1-423241-SSSS |
| Tcg Midsouth | Hamilton | Chattanooga, TN | +1-423242-SSSS |
| Tcg Midsouth | Hamilton | Chattanooga, TN | +1-423243-SSSS |
| Tcg Midsouth | Bradley | Cleveland, TN | +1-423244-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Sullivan | Kingsport, TN | +1-423245-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Sullivan | Kingsport, TN | +1-423246-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Sullivan | Kingsport, TN | +1-423247-SSSS |
| United States Cellular Corp. - Tennessee | Cocke | Newport, TN | +1-423248-SSSS |
| Bellsouth Telecomm Inc DBA South Central Bell Tel | Claiborne | Cumberland Gap, TN | +1-423249-SSSS |
| +1-423250-SSSS | |||
| Us Lec Of Tennessee, Inc | Mcminn | Athens, TN | +1-423252-SSSS |
| Tellico Telephone Co. | Monroe | Tellico Plains, TN | +1-423253-SSSS |
| Business Telecom Inc. - Bti | Hamblen | Morristown, TN | +1-423254-SSSS |
| Powertel Atlanta Licenses | Hamilton | Chattanooga, TN | +1-423255-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Hawkins | Church Hill, TN | +1-423256-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Washington | Limestone, TN | +1-423257-SSSS |
| New Cingular Wireless PCS - GA | Hamblen | Morristown, TN | +1-423258-SSSS |
| United States Cellular Corp. - Tennessee | Claiborne | New Tazewell, TN | +1-423259-SSSS |
| Cellco Partnership DBA Verizon Wireless | Chattanooga, TN | +1-423260-SSSS | |
| Tellico Telephone Co. | Polk | Farner, TN | +1-423261-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Washington | Johnson City, TN | +1-423262-SSSS |
| Bellsouth Telecomm Inc DBA South Central Bell Tel | Mcminn | Etowah, TN | +1-423263-SSSS |
| Bellsouth Telecomm Inc DBA South Central Bell Tel | Hamilton | Chattanooga, TN | +1-423265-SSSS |
| Bellsouth Telecomm Inc DBA South Central Bell Tel | Hamilton | Chattanooga, TN | +1-423266-SSSS |
| Bellsouth Telecomm Inc DBA South Central Bell Tel | Hamilton | Chattanooga, TN | +1-423267-SSSS |
| Usa Mobility Wireless | Hamblen | Morristown, TN | +1-423268-SSSS |
| Usa Mobility Wireless | Hamilton | Chattanooga, TN | +1-423269-SSSS |
| Cellco Partnership DBA Verizon Wireless | Sweetwater, TN | +1-423271-SSSS | |
| Bellsouth Telecomm Inc DBA South Central Bell Tel | Hawkins | Rogersville, TN | +1-423272-SSSS |
| Nextel Communications | Hamblen | Morristown, TN | +1-423273-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Sullivan | Bristol, TN | +1-423274-SSSS |
| Pager One Of Florida - Tennessee | Hamilton | Chattanooga, TN | +1-423275-SSSS |
| New Cingular Wireless PCS - GA | Sullivan | Kingsport, TN | +1-423276-SSSS |
| Sprint Spectrum L.p. | Hamblen | Morristown, TN | +1-423277-SSSS |
| Telcove Operations | Greene | Greeneville, TN | +1-423278-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Sullivan | Blountville, TN | +1-423279-SSSS |
| Cellco Partnership DBA Verizon Wireless | Hamilton | Chattanooga, TN | +1-423280-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Washington | Johnson City, TN | +1-423282-SSSS |
| United Telephone-southeast-tn DBA Centurylink | Washington | Johnson City, TN | +1-423283-SSSS |
| New Cingular Wireless PCS - GA | Bradley | Cleveland, TN | +1-423284-SSSS |
| New Cingular Wireless PCS - GA | Rhea | Dayton, TN | +1-423285-SSSS |
| Highland Telephone Cooperative | Scott | Oneida, TN | +1-423286-SSSS |
| Bellsouth Telecomm Inc DBA South Central Bell Tel | Hamilton | Chattanooga, TN | +1-423287-SSSS |
