KOSHKONONG — MO
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| RYSTEC, INC | 142C | 1 |
| BRIGHTSPEED OF MISSOURI, LLC | 9787 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| RYSTEC, INC | 142C | 1 |
| BRIGHTSPEED OF MISSOURI, LLC | 9787 | 1 |