MULTIPLE OCN LISTING
9 prefixes in 223 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 223-211 | MULT | — | — | |
| 223-311 | MULT | — | — | |
| 223-411 | MULT | — | — | |
| 223-511 | MULT | — | — | |
| 223-555 | DIR ASST | MULT | — | — |
| 223-611 | MULT | — | — | |
| 223-711 | MULT | — | — | |
| 223-811 | MULT | — | — | |
| 223-911 | MULT | — | — |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.