NPA	NXX	CLLI	City, ST	Telco
972	270	DLLSTXNMDS0	DALLAS	SOUTHWESTERN BELL
972	279	DLLSTXNMDS0	DALLAS	SOUTHWESTERN BELL
972	613	DLLSTXNMDS0	DALLAS	SOUTHWESTERN BELL
972	681	DLLSTXNMDS0	DALLAS	SOUTHWESTERN BELL
972	682	DLLSTXNMDS0	DALLAS	SOUTHWESTERN BELL
972	686	DLLSTXNMDS0	DALLAS	SOUTHWESTERN BELL
972	698	DLLSTXNMDS0	DALLAS	SOUTHWESTERN BELL
972	956	DLLSTXNMDS0	DALLAS	SOUTHWESTERN BELL