660-699 phone numbers

Numbers 660-699-0000 to 660-699-9999 are assigned to Brightspeed of East Missouri, LLC in Clarence, MO. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 660-699-5xxx, 660-699-7xxx — calls from these use spoofed caller IDs.

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 660-699