NPA
NXX
CLLI
City, ST
Telco
281
204
HSTNTXGIDS0
APOLLO
TELEPORT COMMUNICATIONS GROUP - HOUSTON
281
212
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
218
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
226
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
244
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
280
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
282
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
283
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
284
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
286
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
461
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
480
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
483
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
486
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
488
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
667
HSTOTX46DS0
APOLLO
MCI WORLDCOM COMMUNICATIONS INC. - TX
281
709
HSTNTXGIDS1
APOLLO
MCIMETRO ATS INC.
281
786
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
792
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
808
HSTGTXQC2MD
APOLLO
NEXTEL COMMUNICATIONS
281
823
HSTOTX42DS0
APOLLO
TIME WARNER COMMUNICATIONS OF HOUSTON L.P.
281
853
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
281
898
HSTNTX01DS4
APOLLO
AT&T LOCAL
281
938
HSTNTXGIDS3
APOLLO
TELIGENT INC - TX .
281
954
HSTATX75DS0
APOLLO
CAPROCK TELECOMMUNICATIONS CORP. - TX
281
956
HSTNTXSXDS1
APOLLO
LOGIX COMMUNICATIONS CORPORATION - TX
281
984
HSTNTX93X0X
APOLLO
GLOBAL CROSSING LOCAL SERVICES INC.-TX
281
990
HSTNTXAPDS0
APOLLO
SOUTHWESTERN BELL
724
478
APLLPAXARS0
APOLLO
ALLTEL PENNSYLVANIA INC.
832
224
HSTNTXPBDS0
APOLLO
ICG CHOICECOM L.P.
832
240
HSTNTXJAXMD
APOLLO
KMC TELECOM II INC. - TX
832
284
HSTWTXLKDS0
APOLLO
IONEX COMMUNICATIONS SOUTH INC.-TX
832
415
HSTNTXYADS0
APOLLO
FOCAL COMMUNICATIONS CORPORATION OF TEXAS
832
551
HSTGTX05DS0
APOLLO
ADELPHIA BUSINESS SOLUTIONS OF TEXAS LP