NPA
NXX
CLLI
City, ST
Telco
219
803
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HAMMOND
FOCAL COMMUNICATIONS CORP OF ILLINOIS - IN
312
698
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FOCAL COMMUNICATIONS CORP OF ILLINOIS
708
613
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FOCAL COMMUNICATIONS CORP OF ILLINOIS
815
780
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FOCAL COMMUNICATIONS CORP OF ILLINOIS
815
782
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PLAINFIELD
FOCAL COMMUNICATIONS CORP OF ILLINOIS
815
907
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MANTENO
FOCAL COMMUNICATIONS CORP OF ILLINOIS