HD Carrier — Number Ranges, OCNs & Bulk Identification
How to identify HD Carrier numbers at scale: operating company numbers (OCNs), state coverage, and line types across 439 analyzed HD Carrier numbers.
OCNs used by HD Carrier
Operating Company Numbers (OCNs) identify the carrier behind a number in LRN/LERG data. HD Carrier numbers map to these OCNs most often:
| OCN | Numbers analyzed |
|---|---|
| 321J | 439 |
HD Carrier coverage by state
| State | Numbers analyzed |
|---|---|
| AR | 206 |
| FL | 92 |
| OK | 89 |
| MO | 45 |
| KS | 6 |
| LA | 1 |
HD Carrier line types
| Line type | Numbers analyzed |
|---|---|
| IPES | 439 |
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