← Area code 773
773-689 phone numbers
Numbers 773-689-0000 to 773-689-9999 are assigned to Verizon Wireless (rate centre CHICGOZN01, IL, NANPA abbreviation).
Not assigned to any carrier: 773-689-0xxx, 773-689-1xxx, 773-689-2xxx, 773-689-3xxx, 773-689-4xxx, 773-689-5xxx, 773-689-6xxx, 773-689-7xxx, 773-689-8xxx, 773-689-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.