NPA
NXX
CLLI
City, ST
Telco
810
579
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GRANDBLANC
PHONE MICHIGAN
810
584
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FOCAL COMMUNICATIONS CORPORATION OF MICHIGAN
810
603
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GRANDBLANC
AMERITECH MICHIGAN
810
606
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GRANDBLANC
AMERITECH MICHIGAN
810
694
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GRANDBLANC
AMERITECH MICHIGAN
810
695
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GRANDBLANC
AMERITECH MICHIGAN
810
866
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GRANDBLANC
TELEPORT COMMUNICATIONS GROUP AMERICA - MI
810
953
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GRANDBLANC
AMERITECH MICHIGAN