337-428 phone numbers

Numbers 337-428-0000 to 337-428-9999 are assigned to New Cingular Wireless PCS, LLC in Jeanerette, LA. 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 337-428-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 337-428