NPA	NXX	CLLI	City, ST	Telco
608	270	MDSNWI16DS0	MADISON	AMERITECH WISCONSIN
608	271	MDSNWI16DS0	MADISON	AMERITECH WISCONSIN
608	273	MDSNWI16DS0	MADISON	AMERITECH WISCONSIN
608	274	MDSNWI16DS0	MADISON	AMERITECH WISCONSIN
608	275	MDSNWI16DS0	MADISON	AMERITECH WISCONSIN
608	276	MDSNWI16DS0	MADISON	AMERITECH WISCONSIN
608	277	MDSNWI16DS0	MADISON	AMERITECH WISCONSIN
608	278	MDSNWI16DS0	MADISON	AMERITECH WISCONSIN
608	288	MDSNWI16DS0	MADISON	AMERITECH WISCONSIN
608	298	MDSNWI16DS0	MADISON	AMERITECH WISCONSIN