| EXCHANGE |
CARRIER |
| 203-285 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-303 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-304 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-306 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-349 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-350 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-403 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-409 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-418 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-423 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-427 |
MCIMETRO, ATS, INC. |
| 203-441 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-442 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-446 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-447 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-463 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-490 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-514 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-523 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-538 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-546 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-549 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-551 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-555 |
SOUTHERN NEW ENGLAND TELEPHONE CO. |
| 203-559 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-586 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-601 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-632 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-643 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-651 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-724 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-738 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-747 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-774 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-779 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-805 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-806 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-841 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-871 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-880 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-886 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-905 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-907 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-951 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
| 203-954 |
CHOICE ONE COMMUNICATIONS, INC. - CT |
| 203-974 |
TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
