447-201 phone numbers

Numbers 447-201-0000 to 447-201-9999 are assigned to Ip Horizon LLC (rate centre CHAMPAURBN, IL, NANPA abbreviation). 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 447-201-3xxx, 447-201-4xxx, 447-201-5xxx, 447-201-6xxx, 447-201-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 447-201