NPA
NXX
CLLI
City, ST
Telco
281
455
HSTZTXPD1MD
HOUSTON
SOUTHWESTERN BELL MOBILE SYSTEMS
281
467
HSTZTXPD1MD
HOUSTON
SOUTHWESTERN BELL MOBILE SYSTEMS
281
684
HSTZTXPD1MD
HOUSTON
SOUTHWESTERN BELL MOBILE SYSTEMS
409
392
HSTZTXPD1MD
GALVESTON
SOUTHWESTERN BELL MOBILE SYSTEMS
409
771
HSTZTXPD1MD
GALVESTON
SOUTHWESTERN BELL MOBILE SYSTEMS
409
789
HSTZTXPD1MD
GALVESTON
SOUTHWESTERN BELL MOBILE SYSTEMS
832
221
HSTZTXPD1MD
DICKINSON
SOUTHWESTERN BELL MOBILE SYSTEMS
832
298
HSTZTXPD1MD
HOUSTON
SOUTHWESTERN BELL MOBILE SYSTEMS
979
236
HSTZTXPD1MD
FREEPORT
SOUTHWESTERN BELL MOBILE SYSTEMS