npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
410-427 | MD | TELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T) | 7325 | TOWSON | BLTMMDFMDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |