920-537 phone numbers

Numbers 920-537-0000 to 920-537-9999 are assigned to Onvoy, LLC in Horicon, WI. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 920-537-0xxx, 920-537-1xxx, 920-537-3xxx, 920-537-4xxx, 920-537-5xxx, 920-537-6xxx, 920-537-8xxx, 920-537-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 920-537