Area Code 203 — Carriers, Line Types & Portability
Carrier breakdown and line-type data for area code 203 (CT), across 503 analyzed numbers. Useful for bulk-validating 203 calling lists and spotting VoIP/ported numbers before you dial or text.
Carriers in area code 203
| Carrier | Numbers analyzed |
|---|---|
| Verizon Wireless | 258 |
| AT&T | 136 |
| T-Mobile | 101 |
| Bandwidth.com | 4 |
| Dish Wireless | 2 |
| Onvoy | 1 |
| CSC Wireless | 1 |
Line types in 203
| Line type | Numbers analyzed |
|---|---|
| WIRELESS | 397 |
| PCS | 101 |
| CLEC | 5 |
Top rate centers
| Rate center | Numbers analyzed |
|---|---|
| NEW HAVEN | 155 |
| BRIDGEPORT | 71 |
| DANBURY | 70 |
| WATERBURY | 64 |
| STAMFORD | 49 |
| NORWALK | 45 |
| ANSONIDRBY | 17 |
| TRUMBULL | 11 |
Enrich or scrub your area code 203 list at scale
Upload a list and get carrier, line type, LRN/portability, and DNC/TCPA risk on every number — not one lookup at a time. That's what VeriRoute Intel is built for.
Bulk lookup & list scrubbing → · Start free (1,000 lookups/month)