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Phone Directory 815-971 Detail

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-971 Rockford, IL Ameritech Illinois Winnebago Landline 04/15/1996

Other Series For Prefixes

815-9710###
815-9711###
815-9712###
815-9713###
815-9714###
815-9715###
815-9716###
815-9717###
815-9718###
815-9719###