| Exchange |
Rate Center |
State |
Operating Company |
| 240-422 |
FREDERICK |
MD |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
| 240-423 |
WSHNGTNZN3 |
MD |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
| 240-424 |
WSHNGTNZN3 |
MD |
SPRINT SPECTRUM L.P. |
| 240-425 |
WSHNGTNZN2 |
MD |
DSLNET COMMUNICATIONS VA, INC. - MD |
| 240-426 |
WSHNGTNZN2 |
MD |
SPRINT SPECTRUM L.P. |
| 240-427 |
WALDORF |
MD |
XO MARYLAND, LLC |
| 240-429 |
WSHNGTNZN3 |
MD |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
| 240-430 |
WSNGTNZN11 |
MD |
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD |
| 240-431 |
LXTNPKGRML |
MD |
SPRINT SPECTRUM L.P. |
| 240-432 |
WSHNGTNZN3 |
MD |
SPRINT SPECTRUM L.P. |
| 240-433 |
WSNGTNZN12 |
MD |
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD |
| 240-434 |
LEONARDTN |
MD |
BROADWING COMMUNICATIONS. LLC - MD |
| 240-436 |
BUCKEYSTN |
MD |
TELCOVE OPERATIONS, INC. - MD |
| 240-437 |
ASHTON236 |
MD |
XO MARYLAND, LLC |
| 240-439 |
FREDERICK |
MD |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
| 240-441 |
WSHNGTNZN6 |
MD |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
| 240-442 |
OAKLAND |
MD |
VERIZON MARYLAND, INC. |
| 240-443 |
|
MD |
|
| 240-446 |
FREDERICK |
MD |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
| 240-447 |
WSNGTNZN10 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-449 |
GAITHERSBG |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-450 |
WSHNGTNZN3 |
MD |
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD |
| 240-453 |
WSNGTNZN10 |
MD |
VERIZON MARYLAND, INC. |
| 240-454 |
GAITHERSBG |
MD |
PAETEC COMMUNICATIONS, INC. - MD |
| 240-455 |
WSHNGTNZN5 |
MD |
PAETEC COMMUNICATIONS, INC. - DC |
| 240-456 |
LAUREL236 |
MD |
VERIZON MARYLAND, INC. |
| 240-460 |
WSHNGTNZN3 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-461 |
WSHNGTNZN3 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-462 |
WSHNGTNZN3 |
MD |
SPRINT SPECTRUM L.P. |
| 240-463 |
WSHNGTNZN3 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-464 |
WSHNGTNZN2 |
MD |
NEXTEL COMMUNICATIONS, INC. |
| 240-465 |
WSHNGTNZN2 |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-466 |
MECHANCSVL |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-468 |
WSHNGTNZN3 |
MD |
SPRINT SPECTRUM L.P. |
| 240-469 |
HAGERSTOWN |
MD |
SPRINT SPECTRUM L.P. - MD |
| 240-471 |
WSNGTNZN12 |
MD |
GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
| 240-472 |
WSHNGTNZN3 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-473 |
WSNG236Z13 |
MD |
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD |
| 240-475 |
WSHNGTNZN3 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-476 |
WSHNGTNZN3 |
MD |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
| 240-477 |
GAITHERSBG |
MD |
LIGHTWAVE COMMUNICATIONS, LLC - MD |
| 240-478 |
WSHNGTNZN3 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-479 |
WSHNGTNZN2 |
MD |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
| 240-481 |
WSHNGTNZN3 |
MD |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
| 240-482 |
WSHNGTNZN2 |
MD |
US LEC OF MARYLAND, INC. |
| 240-483 |
WSHNGTNZN2 |
MD |
COMCAST BUSINESS COMMUNICATIONS, INC. - MD |
| 240-485 |
WSHNGTNZN3 |
MD |
US LEC OF MARYLAND, INC. |
| 240-486 |
WSNG236Z14 |
MD |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
| 240-487 |
WSHNGTNZN4 |
MD |
US LEC OF MARYLAND, INC. |
| 240-489 |
POOLESVL |
MD |
XO MARYLAND, LLC |
| 240-490 |
MIDDLETOWN |
MD |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
| 240-491 |
WSHNGTNZN3 |
MD |
GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
| 240-492 |
WSHNGTNZN5 |
MD |
US LEC OF MARYLAND, INC. |
| 240-493 |
WSHNGTNZN6 |
MD |
US LEC OF MARYLAND, INC. |
| 240-494 |
WSHNGTNZN3 |
MD |
CAVALIER EAST LLC - MD |
| 240-497 |
WSHNGTNZN2 |
MD |
VERIZON MARYLAND, INC. |
| 240-498 |
WSHNGTNZN2 |
MD |
SPRINT SPECTRUM L.P. |
| 240-499 |
WSNGTNZN10 |
MD |
US LEC OF MARYLAND, INC. |
| 240-501 |
WSHNGTNZN3 |
MD |
SPRINT SPECTRUM L.P. |
| 240-505 |
WSHNGTNZN3 |
MD |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
| 240-506 |
WSNGTNZN10 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-508 |
WSHNGTNZN5 |
MD |
NEXTEL COMMUNICATIONS, INC. |
| 240-509 |
WSNG238Z14 |
MD |
AT&T LOCAL |
| 240-510 |
WSNG236Z15 |
MD |
XO MARYLAND, LLC |
| 240-511 |
|
MD |
|
| 240-512 |
WSNG238Z13 |
MD |
CORE COMMUNICATIONS, INC. - MD |
| 240-514 |
WSNGTNZN11 |
MD |
US LEC OF MARYLAND, INC. |
| 240-515 |
WSHNGTNZN2 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-516 |
WSNGTNZN12 |
MD |
US LEC OF MARYLAND, INC. |
| 240-520 |
HAGERSTOWN |
MD |
SPRINT SPECTRUM L.P. - MD |
| 240-522 |
CUMBERLAND |
MD |
SPRINT SPECTRUM L.P. - MD |
| 240-523 |
LA PLATA |
MD |
XO MARYLAND, LLC |
| 240-524 |
LAUREL236 |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-525 |
WSNG236Z15 |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-526 |
LEONARDTN |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-527 |
HAGERSTOWN |
MD |
VERIZON MARYLAND, INC. |
| 240-528 |
HUGHESVL |
MD |
BROADWING COMMUNICATIONS. LLC - MD |
| 240-529 |
FREDERICK |
MD |
VERIZON MARYLAND, INC. |
| 240-533 |
WSHNGTNZN3 |
MD |
TELEPORT COMMUNICATIONS GROUP, INC. - DC |
| 240-535 |
WSHNGTNZN3 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-536 |
ASHTON236 |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-538 |
LEONARDTN |
MD |
XO MARYLAND, LLC |
| 240-539 |
WSHNGTNZN4 |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-542 |
WSNG236Z13 |
MD |
US LEC OF MARYLAND, INC. |
| 240-543 |
WSHNGTNZN2 |
MD |
SPRINT SPECTRUM L.P. |
| 240-544 |
WSNG236Z14 |
MD |
US LEC OF MARYLAND, INC. |
| 240-545 |
WSNG236Z15 |
MD |
US LEC OF MARYLAND, INC. |
| 240-546 |
WSNGTNZN16 |
MD |
US LEC OF MARYLAND, INC. |
| 240-547 |
LAUREL236 |
MD |
LEVEL 3 COMMUNICATIONS, LLC - MD |
| 240-548 |
WSNG236Z14 |
MD |
ALLEGIANCE TELECOM, INC. - MD |
| 240-553 |
WSNG236Z13 |
MD |
ALLEGIANCE TELECOM, INC. - MD |
| 240-554 |
LAUREL236 |
MD |
ALLEGIANCE TELECOM, INC. - MD |
| 240-555 |
WSHNGTNZN4 |
MD |
VERIZON MARYLAND, INC. |
| 240-556 |
WSNG236Z14 |
MD |
PAETEC COMMUNICATIONS, INC. - MD |
| 240-558 |
WSNGTNZN11 |
MD |
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD |
| 240-559 |
ASHTON236 |
MD |
ALLEGIANCE TELECOM, INC. - MD |
| 240-560 |
WSNGTNZN12 |
MD |
XO MARYLAND, LLC |
| 240-565 |
LAUREL238 |
MD |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
| 240-566 |
FREDERICK |
MD |
VERIZON MARYLAND, INC. |
| 240-567 |
WSNGTNZN10 |
MD |
VERIZON MARYLAND, INC. |