NPA	NXX	CLLI	City, ST	Telco
608	261	MDSNWI15DSA	MADISON	AMERITECH WISCONSIN
608	262	MDSNWI15DSA	MADISON	AMERITECH WISCONSIN
608	263	MDSNWI15DSA	MADISON	AMERITECH WISCONSIN
608	264	MDSNWI15DSA	MADISON	AMERITECH WISCONSIN
608	265	MDSNWI15DSA	MADISON	AMERITECH WISCONSIN
608	266	MDSNWI15DSA	MADISON	AMERITECH WISCONSIN
608	267	MDSNWI15DSA	MADISON	AMERITECH WISCONSIN