← Area code 580
580-672 phone numbers
Numbers 580-672-0000 to 580-672-9999 are assigned to Chickasaw Telecommunicaions Services, Inc. in Madill, OK. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 580-672-1xxx, 580-672-4xxx, 580-672-6xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.