NPA
NXX
CLLI
City, ST
Telco
281
429
PTHSTXXARS0
PORTER HTS
CENTRAL TELEPHONE CO. - TEXAS
281
503
HSTNTXCLX5Y
PORTER HTS
GRANDE COMMUNICATIONS NETWORKS INC. - TX
281
572
PTHSTXXARS0
PORTER HTS
CENTRAL TELEPHONE CO. - TEXAS
832
669
HSTNTXYADS0
PORTER HTS
FOCAL COMMUNICATIONS CORPORATION OF TEXAS