NPA
NXX
CLLI
City, ST
Telco
713
456
HSTNTXGRDS0
HOUSTON
SOUTHWESTERN BELL
713
472
HSTNTXGRDS0
HOUSTON
SOUTHWESTERN BELL
713
473
HSTNTXGRDS0
HOUSTON
SOUTHWESTERN BELL
713
475
HSTNTXGRDS0
HOUSTON
SOUTHWESTERN BELL
713
477
HSTNTXGRDS0
HOUSTON
SOUTHWESTERN BELL
713
534
HSTNTXGRDS0
HOUSTON
SOUTHWESTERN BELL
713
589
HSTNTXGRDS0
HOUSTON
SOUTHWESTERN BELL
713
740
HSTNTXGRDS0
HOUSTON
SOUTHWESTERN BELL
713
920
HSTNTXGRDS0
HOUSTON
SOUTHWESTERN BELL