667-428 phone numbers

Numbers 667-428-0000 to 667-428-9999 are assigned to Nuso, LLC in Salisbury, MD. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 667-428-0xxx, 667-428-2xxx, 667-428-3xxx, 667-428-4xxx, 667-428-5xxx, 667-428-6xxx, 667-428-7xxx, 667-428-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 667-428