Area Code 240 — Carriers, Line Types & Portability
Carrier breakdown and line-type data for area code 240 (MD), across 250 analyzed numbers. Useful for bulk-validating 240 calling lists and spotting VoIP/ported numbers before you dial or text.
Carriers in area code 240
| Carrier | Numbers analyzed |
|---|---|
| Verizon Wireless | 113 |
| AT&T | 66 |
| T-Mobile | 62 |
| Bandwidth.com | 4 |
| CSC Wireless | 2 |
| Dish Wireless | 1 |
| Emergency Networks | 1 |
| Onvoy | 1 |
Line types in 240
| Line type | Numbers analyzed |
|---|---|
| WIRELESS | 183 |
| PCS | 62 |
| CLEC | 5 |
Top rate centers
| Rate center | Numbers analyzed |
|---|---|
| WSHNGTNZN3 | 49 |
| FREDERICK | 37 |
| WSNGTNZN10 | 29 |
| WSHNGTNZN2 | 20 |
| HAGERSTOWN | 18 |
| GAITHERSBG | 16 |
| LEONARDTN | 16 |
| WALDORF | 15 |
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