NPA	NXX	CLLI	City, ST	Telco
281	450	HSTZTXXZ1MD	HOUSTON	SOUTHWESTERN BELL MOBILE SYSTEMS
281	782	HSTZTXXZ1MD	HOUSTON	SOUTHWESTERN BELL MOBILE SYSTEMS
281	844	HSTZTXXZ1MD	HOUSTON	SOUTHWESTERN BELL MOBILE SYSTEMS
713	301	HSTZTXXZ1MD	HOUSTON	SOUTHWESTERN BELL MOBILE SYSTEMS
713	416	HSTZTXXZ1MD	HOUSTON	SOUTHWESTERN BELL MOBILE SYSTEMS
713	419	HSTZTXXZ1MD	HOUSTON	SOUTHWESTERN BELL MOBILE SYSTEMS
713	614	HSTZTXXZ1MD	HOUSTON	SOUTHWESTERN BELL MOBILE SYSTEMS
713	775	HSTZTXXZ1MD	HOUSTON	SOUTHWESTERN BELL MOBILE SYSTEMS
832	247	HSTZTXXZ1MD	HOUSTON	SOUTHWESTERN BELL MOBILE SYSTEMS
832	248	HSTZTXXZ1MD	HOUSTON	SOUTHWESTERN BELL MOBILE SYSTEMS