ALLENDALE, IL Rate Center
ALLENDALE — IL
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - IL | 1015 | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - IL | 1015 | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | 1 |