← Area code 678
678-640 phone numbers
Numbers 678-640-0000 to 678-640-9999 are assigned to New Cingular Wireless PCS, LLC in Atlanta, GA.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Numbers 678-640-0000 to 678-640-9999 are assigned to New Cingular Wireless PCS, LLC in Atlanta, GA.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.