RYSTEC, INC
35 prefixes in 417 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 417-302 | ROCKAWYBCH | 142C | 2004-11-08 | Yes |
| 417-303 | WEAUBLEAU | 142C | 2004-11-02 | — |
| 417-304 | KOSHKONONG | 142C | 2004-11-08 | Yes |
| 417-305 | COLLINS | 142C | 2004-11-01 | — |
| 417-333 | PITTSBURG | 142C | 2004-11-08 | Yes |
| 417-383 | BUFFALO | 142C | 2004-11-08 | Yes |
| 417-420 | HURLEY | 142C | 2004-11-08 | Yes |
| 417-446 | LOUISBURG | 142C | 2004-11-08 | Yes |
| 417-481 | JERICO SPG | 142C | 2004-11-01 | — |
| 417-487 | SCHELLCITY | 142C | 2004-11-08 | Yes |
| 417-495 | BRONAUGH | 142C | 2004-11-01 | — |
| 417-497 | MILO | 142C | 2004-11-10 | Yes |
| 417-550 | EVERTON | 142C | 2004-11-01 | — |
| 417-551 | OZARK | 142C | 2004-11-08 | Yes |
| 417-557 | HERMITAGE | 142C | 2004-11-08 | Yes |
| 417-564 | GREENFIELD | 142C | 2004-11-01 | — |
| 417-566 | PRESTON | 142C | 2004-11-08 | Yes |
| 417-636 | HUMANSVL | 142C | 2004-11-01 | — |
| 417-670 | URBANA | 142C | 2004-11-08 | Yes |
| 417-677 | FORSYTH | 142C | 2001-05-14 | Yes |
| 417-698 | ELDORDOSPG | 142C | 2004-11-08 | Yes |
| 417-707 | NORWOOD | 142C | 2006-09-21 | Yes |
| 417-784 | LOWRY CITY | 142C | 2004-11-01 | — |
| 417-792 | THOMASVL | 142C | 2004-11-08 | Yes |
| 417-795 | DADEVILLE | 142C | 2004-11-01 | — |
| 417-797 | DORA | 142C | 2004-11-08 | Yes |
| 417-804 | WHEATLAND | 142C | 2004-11-10 | Yes |
| 417-806 | OSCEOLA | 142C | 2004-11-01 | — |
| 417-807 | CAULFIELD | 142C | 2004-11-08 | Yes |
| 417-819 | CROSSTMBRS | 142C | 2004-11-01 | — |
| 417-821 | THAYER | 142C | 2004-11-08 | Yes |
| 417-969 | CAPE FAIR | 142C | 2004-11-08 | Yes |
| 417-973 | BRANSON | 142C | 2004-10-13 | Yes |
| 417-977 | ARCOLA | 142C | 2004-11-01 | — |
| 417-984 | SUMMERSVL | 142C | 2004-11-08 | 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.