← Area code 337
337-483 phone numbers
Numbers 337-483-0000 to 337-483-9999 are assigned to Telnyx LLC in Lafayette, LA. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 337-483-2xxx, 337-483-3xxx, 337-483-4xxx, 337-483-5xxx, 337-483-6xxx, 337-483-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.