← Area code 620
620-803 phone numbers
Numbers 620-803-0000 to 620-803-9999 are assigned to Southwestern Bell in Emporia, KS. 7 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 620-803-4xxx, 620-803-5xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.