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779-231-####
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Prefix 779-231 Information
Company
MCI WORLDCOM COMMUNICATIONS, INC. - IL
Rate Center
JOLIET
Other prefix codes with JOLIET rate center:
Prefix 779-230
Prefix 779-227
Prefix 779-225
Prefix 779-206
Prefix 779-205
Prefix 779-233
Prefix 779-242
Prefix 779-279
Prefix 779-379
Prefix 779-435
Prefix 779-456
Prefix 779-702
Prefix 779-703
Prefix 779-707
Prefix 779-875