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Phone Directory 815-856 Detail

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-856 Tonica, IL Leonore Mutual Telephone Co. La Salle Landline 02/04/1994

Other Series For Prefixes

815-8560###
815-8561###
815-8562###
815-8563###
815-8564###
815-8565###
815-8566###
815-8567###
815-8568###
815-8569###