← Area code 228
228-291 phone numbers
Numbers 228-291-0000 to 228-291-9999 are assigned to Onvoy, LLC (rate centre TANNERWLMS, MS, NANPA abbreviation). 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 228-291-4xxx, 228-291-5xxx, 228-291-6xxx, 228-291-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.