331-232 phone numbers

Numbers 331-232-0000 to 331-232-9999 are assigned to New Cingular Wireless PCS, LLC (rate centre W CHICAGO, IL, NANPA abbreviation). 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 331-232-0xxx, 331-232-1xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 331-232