559-404 phone numbers

Numbers 559-404-0000 to 559-404-9999 are assigned to Onvoy, LLC in Coalinga, CA. 7 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 559-404-4xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 559-404