| Exchange |
Rate Center |
State |
Operating Company |
| 239-999 |
FORT MYERS |
FL |
NETWORK SERVICES LLC |
| 240-201 |
RIDGE |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-205 |
WSNGTNZN10 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-206 |
WSNG236Z14 |
MD |
XO MARYLAND, LLC |
| 240-207 |
DAMASCS236 |
MD |
CAVALIER EAST LLC - MD |
| 240-208 |
LA PLATA |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-209 |
INDIANHEAD |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-210 |
WALDORF |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-211 |
|
MD |
|
| 240-212 |
OAKLAND |
MD |
CORE COMMUNICATIONS, INC. - MD |
| 240-213 |
WALDORF |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-214 |
MECHANCSVL |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-215 |
FREDERICK |
MD |
TELCOVE OPERATIONS, INC. - MD |
| 240-216 |
WALDORF |
MD |
NEXTEL COMMUNICATIONS, INC. |
| 240-217 |
HAGERSTOWN |
MD |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
| 240-218 |
NANJEMOY |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-219 |
TOMPKINSVL |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-220 |
POOLESVL |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-221 |
WSNGTNZN11 |
MD |
VERIZON MARYLAND, INC. |
| 240-222 |
WALDORF |
MD |
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD |
| 240-223 |
WSHNGTNZN2 |
MD |
ALLEGIANCE TELECOM, INC. - MD |
| 240-225 |
FREDERICK |
MD |
CORE COMMUNICATIONS, INC. - MD |
| 240-226 |
|
MD |
|
| 240-227 |
|
MD |
|
| 240-228 |
WSNG236Z13 |
MD |
VERIZON MARYLAND, INC. |
| 240-229 |
WALDORF |
MD |
BROADWING COMMUNICATIONS. LLC - MD |
| 240-230 |
HUGHESVL |
MD |
GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
| 240-231 |
HAGERSTOWN |
MD |
CORE COMMUNICATIONS, INC. - MD |
| 240-232 |
WSNG236Z14 |
MD |
BROADWING COMMUNICATIONS. LLC - MD |
| 240-233 |
TOMPKINSVL |
MD |
TELEPORT COMMUNICATIONS GROUP, INC. - DC |
| 240-234 |
DAMASCS236 |
MD |
ARCH WIRELESS HOLDINGS, INC. |
| 240-235 |
WSHNGTNZN2 |
MD |
PAETEC COMMUNICATIONS, INC. - MD |
| 240-236 |
FREDERICK |
MD |
VERIZON MARYLAND, INC. |
| 240-237 |
LXTNPKGRML |
MD |
TELEPORT COMMUNICATIONS GROUP, INC. - DC |
| 240-238 |
WSNGTNZN10 |
MD |
PAETEC COMMUNICATIONS, INC. - MD |
| 240-239 |
LEONARDTN |
MD |
CORE COMMUNICATIONS, INC. - MD |
| 240-240 |
|
MD |
|
| 240-241 |
WSNG236Z13 |
MD |
STARPOWER COMMUNICATIONS, LLC - MD |
| 240-242 |
WSNGTNZN11 |
MD |
STARPOWER COMMUNICATIONS, LLC - MD |
| 240-243 |
GAITHERSBG |
MD |
ALLEGIANCE TELECOM, INC. - MD |
| 240-244 |
WSNGTNZN16 |
MD |
STARPOWER COMMUNICATIONS, LLC - MD |
| 240-245 |
WSNG236Z14 |
MD |
STARPOWER COMMUNICATIONS, LLC - MD |
| 240-246 |
GAITHERSBG |
MD |
STARPOWER COMMUNICATIONS, LLC - MD |
| 240-247 |
WSHNGTNZN3 |
MD |
ALLEGIANCE TELECOM, INC. - MD |
| 240-248 |
RIDGE |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-249 |
MECHANCSVL |
MD |
TELEPORT COMMUNICATIONS GROUP, INC. - DC |
| 240-250 |
BRANDYWINE |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-251 |
HIGHFIELD |
MD |
CORE COMMUNICATIONS, INC. - MD |
| 240-252 |
GAITHERSBG |
MD |
LEVEL 3 COMMUNICATIONS, LLC - MD |
| 240-253 |
WSHNGTNZN6 |
MD |
GLOBAL CROSSING LOCAL SERVICES, INC.-MD |
| 240-254 |
HUGHESVL |
MD |
TELEPORT COMMUNICATIONS GROUP, INC. - DC |
| 240-255 |
POOLESVL |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-256 |
LEONARDTN |
MD |
TELEPORT COMMUNICATIONS GROUP, INC. - DC |
| 240-257 |
NANJEMOY |
MD |
TELEPORT COMMUNICATIONS GROUP, INC. - DC |
| 240-258 |
RIDGE |
MD |
TELEPORT COMMUNICATIONS GROUP, INC. - DC |
| 240-259 |
|
MD |
|
| 240-260 |
WSNG236Z14 |
MD |
ALLEGIANCE TELECOM, INC. - MD |
| 240-261 |
WSNGTNZN10 |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-262 |
DAMASCS236 |
MD |
TIDALWAVE TELEPHONE INC. |
| 240-263 |
DAMASCS236 |
MD |
TIDALWAVE TELEPHONE INC. |
| 240-264 |
LAUREL236 |
MD |
VERIZON MARYLAND, INC. |
| 240-265 |
WSHNGTNZN5 |
MD |
TIDALWAVE TELEPHONE INC. |
| 240-266 |
WSNG236Z14 |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-267 |
WSHNGTNZN5 |
MD |
TIDALWAVE TELEPHONE INC. |
| 240-268 |
WSNGTNZN10 |
MD |
ALLEGIANCE TELECOM, INC. - MD |
| 240-269 |
WSNGTNZN16 |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-270 |
WSNG236Z14 |
MD |
TIDALWAVE TELEPHONE INC. |
| 240-271 |
WSHNGTNZN2 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-272 |
WSNG236Z14 |
MD |
TIDALWAVE TELEPHONE INC. |
| 240-273 |
WSHNGTNZN6 |
MD |
BROADWING COMMUNICATIONS. LLC - MD |
| 240-274 |
WSHNGTNZN2 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-275 |
GRANTSVL |
MD |
CORE COMMUNICATIONS, INC. - MD |
| 240-276 |
WSNGTNZN10 |
MD |
VERIZON MARYLAND, INC. |
| 240-277 |
WSHNGTNZN2 |
MD |
SPRINT SPECTRUM L.P. |
| 240-279 |
WALDORF |
MD |
CORE COMMUNICATIONS, INC. - MD |
| 240-280 |
LAUREL236 |
MD |
COMCAST BUSINESS COMMUNICATIONS, INC. - MD |
| 240-281 |
WSHNGTNZN2 |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-282 |
MECHANCSVL |
MD |
GLOBAL NAPS SOUTH, INC. - MD |
| 240-283 |
WSNGTNZN11 |
MD |
PAETEC COMMUNICATIONS, INC. - MD |
| 240-284 |
FROSTBURG |
MD |
NATIONSLINE, INC.-MD |
| 240-285 |
FREDERICK |
MD |
CAVALIER EAST LLC - MD |
| 240-286 |
WSHNGTNZN2 |
MD |
NEXTEL COMMUNICATIONS, INC. |
| 240-287 |
HANCOCK |
MD |
CORE COMMUNICATIONS, INC. - MD |
| 240-288 |
THURMONT |
MD |
NATIONSLINE, INC.-MD |
| 240-289 |
WSHNGTNZN6 |
MD |
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD |
| 240-290 |
WSNGTNZN11 |
MD |
ALLEGIANCE TELECOM, INC. - MD |
| 240-291 |
HAGERSTOWN |
MD |
NEW CINGULAR WIRELESS PCS, LLC - DC |
| 240-292 |
WSNGTNZN11 |
MD |
VERIZON MARYLAND, INC. |
| 240-293 |
WSNGTNZN12 |
MD |
STARPOWER COMMUNICATIONS, LLC - MD |
| 240-294 |
LAUREL236 |
MD |
XO MARYLAND, LLC |
| 240-295 |
LAUREL236 |
MD |
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD |
| 240-296 |
WSHNGTNZN4 |
MD |
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD |
| 240-297 |
WSNG236Z13 |
MD |
LEVEL 3 COMMUNICATIONS, LLC - MD |
| 240-298 |
LEONARDTN |
MD |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
| 240-299 |
WALDORF |
MD |
NEXTEL COMMUNICATIONS, INC. |
| 240-301 |
|
MD |
|
| 240-303 |
WSNGTNZN16 |
MD |
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD |
| 240-304 |
WSHNGTNZN5 |
MD |
NEXTEL COMMUNICATIONS, INC. |
| 240-305 |
WSHNGTNZN3 |
MD |
SPRINT SPECTRUM L.P. |
| 240-306 |
GAITHERSBG |
MD |
ALLEGIANCE TELECOM, INC. - MD |