Area Code 443 — Carriers, Line Types & Portability
Carrier breakdown and line-type data for area code 443 (MD), across 404 analyzed numbers. Useful for bulk-validating 443 calling lists and spotting VoIP/ported numbers before you dial or text.
Carriers in area code 443
| Carrier | Numbers analyzed |
|---|---|
| Verizon Wireless | 206 |
| T-Mobile | 98 |
| AT&T | 95 |
| Bandwidth.com | 3 |
| Dish Wireless | 1 |
| Emergency Networks | 1 |
Line types in 443
| Line type | Numbers analyzed |
|---|---|
| WIRELESS | 303 |
| PCS | 98 |
| CLEC | 3 |
Top rate centers
| Rate center | Numbers analyzed |
|---|---|
| BALTIMORE | 139 |
| ANNAPOLIS | 33 |
| SALISBURY | 30 |
| ELKTON | 28 |
| TOWSON | 25 |
| GLENBURNIE | 19 |
| FALLSTON | 16 |
| BEL AIR | 15 |
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