NPA	NXX	CLLI	City, ST	Telco
517	322	DMDLMIDDRS0	LANSING	AMERITECH MICHIGAN
517	636	DMDLMIDDRS0	LANSING	AMERITECH MICHIGAN
517	646	DMDLMIDDRS0	DIMONDALE	AMERITECH MICHIGAN
517	721	DMDLMIDDRS0	LANSING	AMERITECH MICHIGAN