920-571 phone numbers

Numbers 920-571-0000 to 920-571-9999 are assigned to T-Mobile USA, Inc. in Manitowoc, WI. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 920-571-3xxx, 920-571-4xxx, 920-571-5xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 920-571