← Area code 620
620-746 phone numbers
Numbers 620-746-0000 to 620-746-9999 are assigned to United Wireless Communications, Inc. in Satanta, KS. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 620-746-0xxx, 620-746-1xxx, 620-746-2xxx, 620-746-3xxx, 620-746-4xxx, 620-746-8xxx, 620-746-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.