← Area code 312
312-246 phone numbers
Numbers 312-246-0000 to 312-246-9999 are assigned to New Cingular Wireless PCS, LLC in Wheeling, IL.
Not assigned to any carrier: 312-246-6xxx, 312-246-7xxx, 312-246-8xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.