| Exchange |
Rate Center |
State |
Operating Company |
| 410-500 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-501 |
ARBUTUS |
MD |
LIGHTWAVE COMMUNICATIONS, LLC - MD |
| 410-502 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-503 |
ELKRIDGE |
MD |
VERIZON MARYLAND, INC. |
| 410-504 |
PIKESVILLE |
MD |
VERIZON MARYLAND, INC. |
| 410-505 |
ELLICOTTCY |
MD |
VERIZON MARYLAND, INC. |
| 410-506 |
ELKTON |
MD |
VERIZON MARYLAND, INC. |
| 410-507 |
ANNAPOLIS |
MD |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
| 410-508 |
GLENBURNIE |
MD |
VERIZON MARYLAND, INC. |
| 410-509 |
WATERLO236 |
MD |
BALTIMORE-WASHINGTON TELEPHONE BWT |
| 410-510 |
FORK |
MD |
TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD |
| 410-511 |
|
MD |
|
| 410-512 |
TOWSON |
MD |
VERIZON MARYLAND, INC. |
| 410-513 |
PARKVILLE |
MD |
TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD |
| 410-514 |
SEVERN |
MD |
VERIZON MARYLAND, INC. |
| 410-515 |
FORK |
MD |
VERIZON MARYLAND, INC. |
| 410-516 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-517 |
REISTERSTN |
MD |
VERIZON MARYLAND, INC. |
| 410-518 |
SEVERNA PK |
MD |
VERIZON MARYLAND, INC. |
| 410-519 |
SEVERN |
MD |
VERIZON MARYLAND, INC. |
| 410-520 |
OCEAN CITY |
MD |
VERIZON MARYLAND, INC. |
| 410-521 |
RANDALLSTN |
MD |
VERIZON MARYLAND, INC. |
| 410-522 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-523 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-524 |
OCEAN CITY |
MD |
VERIZON MARYLAND, INC. |
| 410-525 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-526 |
REISTERSTN |
MD |
VERIZON MARYLAND, INC. |
| 410-527 |
COCKEYSVL |
MD |
VERIZON MARYLAND, INC. |
| 410-528 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-529 |
PARKVILLE |
MD |
VERIZON MARYLAND, INC. |
| 410-530 |
CATONSVL |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 410-531 |
COLUMBIA |
MD |
VERIZON MARYLAND, INC. |
| 410-532 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-533 |
ANNAPOLIS |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 410-534 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-535 |
PRINCEFRCK |
MD |
VERIZON MARYLAND, INC. |
| 410-536 |
ARBUTUS |
MD |
VERIZON MARYLAND, INC. |
| 410-537 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-538 |
FORK |
MD |
VERIZON MARYLAND, INC. |
| 410-539 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-540 |
ELKRIDGE |
MD |
VERIZON MARYLAND, INC. |
| 410-541 |
SEVERNA PK |
MD |
VERIZON MARYLAND, INC. |
| 410-542 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-543 |
SALISBURY |
MD |
VERIZON MARYLAND, INC. |
| 410-544 |
SEVERNA PK |
MD |
VERIZON MARYLAND, INC. |
| 410-545 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-546 |
SALISBURY |
MD |
VERIZON MARYLAND, INC. |
| 410-547 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-548 |
SALISBURY |
MD |
VERIZON MARYLAND, INC. |
| 410-549 |
SYKESVILLE |
MD |
VERIZON MARYLAND, INC. |
| 410-550 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-551 |
SEVERN |
MD |
VERIZON MARYLAND, INC. |
| 410-552 |
SYKESVILLE |
MD |
VERIZON MARYLAND, INC. |
| 410-553 |
GLENBURNIE |
MD |
VERIZON MARYLAND, INC. |
| 410-554 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-555 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-556 |
CHURCHHILL |
MD |
VERIZON MARYLAND, INC. |
| 410-557 |
FORK |
MD |
VERIZON MARYLAND, INC. |
| 410-558 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-559 |
PIKESVILLE |
MD |
TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD |
| 410-560 |
TOWSON |
MD |
VERIZON MARYLAND, INC. |
| 410-561 |
TOWSON |
MD |
VERIZON MARYLAND, INC. |
| 410-562 |
ANNAPOLIS |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 410-563 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-564 |
ELKRIDGE |
MD |
TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD |
| 410-565 |
ARBUTUS |
MD |
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES, LLC - MD |
| 410-566 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-567 |
ELKRIDGE |
MD |
MCIMETRO, ATS, INC. |
| 410-568 |
COCKEYSVL |
MD |
TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD |
| 410-569 |
EDGEWOOD |
MD |
VERIZON MARYLAND, INC. |
| 410-570 |
ANNAPOLIS |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 410-571 |
ANNAPOLIS |
MD |
VERIZON MARYLAND, INC. |
| 410-572 |
SALISBURY |
MD |
VERIZON MARYLAND, INC. |
| 410-573 |
ANNAPOLIS |
MD |
VERIZON MARYLAND, INC. |
| 410-574 |
ESSEX |
MD |
VERIZON MARYLAND, INC. |
| 410-575 |
FORK |
MD |
VERIZON MARYLAND, INC. |
| 410-576 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-577 |
PIKESVILLE |
MD |
VERIZON MARYLAND, INC. |
| 410-578 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-579 |
ELKRIDGE |
MD |
VERIZON MARYLAND, INC. |
| 410-580 |
PIKESVILLE |
MD |
VERIZON MARYLAND, INC. |
| 410-581 |
PIKESVILLE |
MD |
VERIZON MARYLAND, INC. |
| 410-582 |
GLENBURNIE |
MD |
VERIZON MARYLAND, INC. |
| 410-583 |
TOWSON |
MD |
VERIZON MARYLAND, INC. |
| 410-584 |
COCKEYSVL |
MD |
VERIZON MARYLAND, INC. |
| 410-585 |
BALTIMORE |
MD |
VERIZON MARYLAND, INC. |
| 410-586 |
PRINCEFRCK |
MD |
VERIZON MARYLAND, INC. |
| 410-587 |
ARBUTUS |
MD |
VERIZON MARYLAND, INC. |
| 410-588 |
BEL AIR |
MD |
VERIZON MARYLAND, INC. |
| 410-589 |
BRYNPKLNCM |
MD |
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES, LLC - MD |
| 410-590 |
GLENBURNIE |
MD |
VERIZON MARYLAND, INC. |
| 410-591 |
BALTIMORE |
MD |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
| 410-592 |
FORK |
MD |
VERIZON MARYLAND, INC. |
| 410-593 |
FORK |
MD |
VERIZON MARYLAND, INC. |
| 410-594 |
WOODLAWN |
MD |
VERIZON MARYLAND, INC. |
| 410-595 |
GLENBURNIE |
MD |
XSPEDIUS MANAGEMENT CO SWITCHES SERVICES, LLC - MD |
| 410-596 |
WESTMINSTR |
MD |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
| 410-597 |
WOODLAWN |
MD |
VERIZON MARYLAND, INC. |
| 410-598 |
BALTIMORE |
MD |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
| 410-599 |
CATONSVL |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
