NPA	NXX	CLLI	City, ST	Telco
713	413	HSTNTXIDCG0	HOUSTON	SOUTHWESTERN BELL
713	433	HSTNTXIDCG0	HOUSTON	SOUTHWESTERN BELL
713	434	HSTNTXIDCG0	HOUSTON	SOUTHWESTERN BELL
713	436	HSTNTXIDCG0	HSTNSUBURB	SOUTHWESTERN BELL