← Area code 316
316-288 phone numbers
Numbers 316-288-0000 to 316-288-9999 are assigned to T-Mobile USA, Inc. in Newton, KS. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 316-288-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.