906-451 phone numbers

Numbers 906-451-0000 to 906-451-9999 are assigned to Ip Horizon LLC in Marquette, MI. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 906-451-0xxx, 906-451-2xxx, 906-451-6xxx, 906-451-7xxx, 906-451-8xxx, 906-451-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 906-451