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779 Area Code - Illinois Phone Number Directory
Exchanges (Landline)
| Landline | Location |
| 779-232-xxxx | TELEPORT COMMUNICATIONS GROUP - CHICAGO |
| 779-348-xxxx | TELEPORT COMMUNICATIONS GROUP - CHICAGO |
| 779-368-xxxx | N/A |
| 779-382-xxxx | CHARTER FIBERLINK - ILLINOIS, LLC - IL |
| 779-423-xxxx | N/A |
| 779-432-xxxx | MTCO COMMUNICATIONS, INC. |
| 779-435-xxxx | AMERITECH ILLINOIS |
| 779-475-xxxx | CHARTER FIBERLINK - ILLINOIS, LLC - IL |
| 779-537-xxxx | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
| 779-545-xxxx | N/A |
| 779-552-xxxx | DIGITAL NETWORK ACCESS COMMUNICATIONS, INC. - IL |
| 779-875-xxxx | SPRINT SPECTRUM L.P. |
Exchanges (Wireless)
| CellPhone | Location |