NPA	NXX	CLLI	City, ST	Telco
406	208	BLNGMT18CM2	BILLINGS	WESTERN WIRELESS CORPORATION-MT
406	749	BLNGMT18CM2	COLSTRIP	WESTERN WIRELESS CORPORATION-MT
406	850	BLNGMT18CM2	BILLINGS	WWC PAGING CORPORATION
406	855	BLNGMT18CM2	BILLINGS	WESTERN WIRELESS CORPORATION-MT
406	860	BLNGMT18CM2	BILLINGS	WESTERN WIRELESS CORPORATION-MT
406	861	BLNGMT18CM2	BILLINGS	WESTERN WIRELESS CORPORATION-MT