BELLWOOD — IL
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ILLINOIS BELL TEL CO | 9329 | 7 |
| PAETEC ITEL, LLC | 829J | 4 |
| SPOK, INC. | 6630 | 2 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | 2 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | 2 |