NPA
NXX
CLLI
City, ST
Telco
484
660
ALTWPAHSDS0
HAMBURG
PECO HYPERION TELECOMMUNICATIONS
484
662
NWRKDEWWDS0
HAMBURG
CAVALIER TELEPHONE LLC (MID-ATLANTIC) - PA
484
665
HMBGPAHBRS0
HAMBURG
VERIZON PENNSYLVANIA INC.
484
668
PHLBPABJDS3
HAMBURG
ATX TELECOMMUNICATIONS SERVICES LTD
484
669
PHLAPAFGW29
HAMBURG
GLOBAL NAPS - PA
530
496
HMBGCAXF496
HAMBURG
SISKIYOU TELEPHONE CO.
610
562
HMBGPAHBRS0
HAMBURG
VERIZON PENNSYLVANIA INC.
618
232
HBGCILXERS0
HAMBURG
CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL
712
350
HMBGIAAACM1
HAMBURG
UNITED STATES CELLULAR CORP. - IOWA
712
382
HMBGIACORS3
HAMBURG
QWEST CORP.
716
312
HMBGNYHBDS0
HAMBURG
VERIZON NEW YORK INC.
716
646
HMBGNYHBDS0
HAMBURG
VERIZON NEW YORK INC.
716
648
HMBGNYHBDS0
HAMBURG
VERIZON NEW YORK INC.
716
649
HMBGNYHBDS0
HAMBURG
VERIZON NEW YORK INC.
716
926
BFLONYSEDS0
HAMBURG
ADELPHIA BUSINESS SOLUTIONS OF NEW YORK INC.
870
853
HMBGARMARS1
HAMBURG
SOUTHWESTERN BELL