← Area code 423
423-470 phone numbers
Numbers 423-470-0000 to 423-470-9999 are assigned to Verizon Wireless (rate centre GREENEVL, TN, NANPA abbreviation).
Not assigned to any carrier: 423-470-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.