Canadial Know Who Called
← Area code 707

707-343 phone numbers

Numbers 707-343-0000 to 707-343-9999 are assigned to Onvoy, LLC in Sonoma, CA. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 707-343-2xxx, 707-343-3xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 707-343