NPA	NXX	CLLI	City, ST	Telco
641	425	MSCYIAAGCM4	MASON CITY	UNITED STATES CELLULAR CORP. - IOWA
641	430	MSCYIAAGCM4	MASON CITY	UNITED STATES CELLULAR CORP. - IOWA
641	512	MSCYIAAGCM4	MASON CITY	UNITED STATES CELLULAR CORP. - IOWA