Area Code 423 — Carriers, Line Types & Portability
Carrier breakdown and line-type data for area code 423 (TN), across 382 analyzed numbers. Useful for bulk-validating 423 calling lists and spotting VoIP/ported numbers before you dial or text.
Carriers in area code 423
| Carrier | Numbers analyzed |
|---|---|
| Verizon Wireless | 244 |
| AT&T | 72 |
| T-Mobile | 55 |
| U.S. Cellular | 6 |
| Vonage Network | 2 |
| Bandwidth.com | 2 |
| TELNYX | 1 |
Line types in 423
| Line type | Numbers analyzed |
|---|---|
| WIRELESS | 353 |
| PCS | 24 |
| IPES | 3 |
| CLEC | 2 |
Top rate centers
| Rate center | Numbers analyzed |
|---|---|
| CHATTNOOGA | 153 |
| JOHNSON CY | 35 |
| BRISTOL | 25 |
| KINGSPORT | 20 |
| GREENEVL | 20 |
| CLEVELAND | 17 |
| MIDWAY SUL | 16 |
| MORRISTOWN | 15 |
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