All assignees
729 prefixes in 734 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 734-961 | YPSILANTI | 318J | — | Yes |
| 734-966 | LOSTPNNSUL | 965H | 2020-08-20 | Yes |
| 734-967 | CARLETON | 516J | 2022-01-14 | Yes |
| 734-968 | WAYNE | 2964 | — | Yes |
| 734-969 | ROCKWOOD | 770E | — | Yes |
| 734-970 | PINCKNEY | 770E | — | Yes |
| 734-971 | ANN ARBOR | 9323 | — | — |
| 734-972 | ANN ARBOR | 2964 | — | Yes |
| 734-973 | ANN ARBOR | 9323 | — | — |
| 734-975 | ANN ARBOR | 9323 | — | — |
| 734-976 | — | — | ||
| 734-977 | SALINE | 318J | 2015-10-02 | Yes |
| 734-979 | PLYMOUTH | 6003 | — | Yes |
| 734-981 | PLYMOUTH | 9323 | — | — |
| 734-982 | TRENTON | 516J | 2022-03-24 | Yes |
| 734-983 | PLYMOUTH | 9323 | — | Yes |
| 734-984 | FLAT ROCK | 770E | — | Yes |
| 734-985 | YPSILANTI | 7279 | — | Yes |
| 734-987 | PLYMOUTH | 516J | 2022-03-24 | Yes |
| 734-988 | — | — | ||
| 734-989 | — | — | ||
| 734-991 | WYANDOTTE | 7279 | — | Yes |
| 734-992 | ROMULUS | 318J | — | Yes |
| 734-994 | ANN ARBOR | 9323 | — | — |
| 734-995 | ANN ARBOR | 9323 | — | — |
| 734-996 | ANN ARBOR | 9323 | — | Yes |
| 734-997 | ANN ARBOR | 9323 | — | Yes |
| 734-998 | ANN ARBOR | 9323 | — | — |
| 734-999 | YPSILANTI | 933G | 2014-05-16 | Yes |
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.