CenturyLink — Number Ranges, OCNs & Bulk Identification
How to identify CenturyLink numbers at scale: operating company numbers (OCNs), state coverage, and line types across 101 analyzed CenturyLink numbers.
OCNs used by CenturyLink
Operating Company Numbers (OCNs) identify the carrier behind a number in LRN/LERG data. CenturyLink numbers map to these OCNs most often:
| OCN | Numbers analyzed |
|---|---|
| 9636 | 10 |
| 8826 | 9 |
| 4018 | 8 |
| 382D | 6 |
| 4007 | 6 |
| 5489 | 4 |
| 6114 | 4 |
| 4006 | 4 |
| 3234 | 4 |
| 0661 | 4 |
| 6121 | 3 |
| 9787 | 3 |
| 3285 | 2 |
| 5257 | 2 |
| 4809 | 2 |
CenturyLink coverage by state
| State | Numbers analyzed |
|---|---|
| CA | 9 |
| MA | 8 |
| AZ | 8 |
| PA | 7 |
| OH | 6 |
| ME | 6 |
| MO | 6 |
| WI | 5 |
| NC | 5 |
| NY | 4 |
| WA | 4 |
| TX | 4 |
| OR | 4 |
| MI | 3 |
| CO | 3 |
CenturyLink line types
| Line type | Numbers analyzed |
|---|---|
| CLEC | 73 |
| ILEC | 15 |
| RBOC | 13 |
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