NPA
NXX
CLLI
City, ST
Telco
281
352
HSTNTXDN1MD
HOUSTON
SOUTHWESTERN BELL MOBILE SYSTEMS
281
460
HSTNTXDN1MD
HOUSTON
SOUTHWESTERN BELL MOBILE SYSTEMS
713
412
HSTNTXDN1MD
HOUSTON
SOUTHWESTERN BELL MOBILE SYSTEMS
713
417
HSTNTXDN1MD
HOUSTON
SOUTHWESTERN BELL MOBILE SYSTEMS
713
515
HSTNTXDN1MD
HOUSTON
SOUTHWESTERN BELL MOBILE SYSTEMS
713
562
HSTNTXDN1MD
HOUSTON
SOUTHWESTERN BELL MOBILE SYSTEMS
713
569
HSTNTXDN1MD
HOUSTON
SOUTHWESTERN BELL MOBILE SYSTEMS
713
598
HSTNTXDN1MD
HOUSTON
SOUTHWESTERN BELL MOBILE SYSTEMS