← Area code 337
337-489 phone numbers
Numbers 337-489-0000 to 337-489-9999 are assigned to New Cingular Wireless PCS, LLC (rate centre LK CHARLES, LA, NANPA abbreviation). 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 337-489-2xxx, 337-489-3xxx, 337-489-4xxx, 337-489-5xxx, 337-489-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.