Area Code 503 — Carriers, Line Types & Portability
Carrier breakdown and line-type data for area code 503 (OR), across 595 analyzed numbers. Useful for bulk-validating 503 calling lists and spotting VoIP/ported numbers before you dial or text.
Carriers in area code 503
| Carrier | Numbers analyzed |
|---|---|
| Verizon Wireless | 263 |
| AT&T | 172 |
| T-Mobile | 145 |
| Bandwidth.com | 4 |
| Emergency Networks | 3 |
| Centurylink | 3 |
| Ziply Fiber | 1 |
| CenturyLink | 1 |
| Charter Fiberlink | 1 |
| Dish Wireless | 1 |
Line types in 503
| Line type | Numbers analyzed |
|---|---|
| WIRELESS | 584 |
| CLEC | 8 |
| ILEC | 1 |
| RBOC | 1 |
Top rate centers
| Rate center | Numbers analyzed |
|---|---|
| PORTLAND | 413 |
| SALEM | 83 |
| BEAVERTON | 29 |
| NEWBERG | 9 |
| TILLAMOOK | 9 |
| CLACKAMAS | 8 |
| ST HELENS | 8 |
| MCMINNVL | 7 |
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