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← Area code 815

815-679 phone numbers

Numbers 815-679-0000 to 815-679-9999 are assigned to Rcn Telecom Services of Illinios, Inc. in McHenry, IL. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 815-679-0xxx, 815-679-1xxx, 815-679-2xxx, 815-679-5xxx — calls from these use spoofed caller IDs.

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 815-679