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484 391 PHLAPAFGDSE PHPHSBZN29 PAETEC COMMUNICATIONS INC. PA
484 392 NWRKDEWWDS0 PHPHSBZN29 CAVALIER TELEPHONE LLC (MID-ATLANTIC) - PA
484 393 NATNPAAGDS0 PHPHSBZN29 RCN TELECOM SERVICE OF PENNSYLVANIA INC.
484 394 FTWSPAFW5MD PHPHSBZN29 FOCAL COMMUNICATIONS CORP OF PENNSYLVANIA
484 396 PHLBPAPU5MD PHPHSBZN29 GLOBAL CROSSING LOCAL SERVICES INC.-PA
484 398 PHLBPABJDS3 PHPHSBZN29 ATX TELECOMMUNICATIONS SERVICES LTD
484 399 LPTPPABHDS0 PHPHSBZN29 RCN TELECOM SVCS OF PHILADEL DBA RCN OF PHILADELPH
484 518 PHLAPAFG6MD PHPHSBZN29 ALLEGIANCE TELECOM OF PENNSYLVANIA INC.
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484 676 TRPRPATRDS0 PHPHSBZN29 VERIZON PENNSYLVANIA INC.
484 831 PHLAPAFGDSG PHPHSBZN29 US LEC OF PENNSYLVANIA INC.
484 956 WRMNPABCDS0 PHPHSBZN29 CAVALIER TELEPHONE MID-ATLANTIC. LLC - PA
610 271 PHLAPAFGDS0 PHPHSBZN29 MCIMETRO ATS INC.
610 650 TRPRPATRDS0 PHPHSBZN29 VERIZON PENNSYLVANIA INC.
610 665 FTWSPAFWDS0 PHPHSBZN29 PECO HYPERION TELECOMMUNICATIONS
610 666 TRPRPATRDS0 PHPHSBZN29 VERIZON PENNSYLVANIA INC.
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