Canadial Know Who Called
← Area code 840

840-240 phone numbers

Numbers 840-240-0000 to 840-240-9999 are assigned to Onvoy, LLC in Diamond Bar, CA. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

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

Reported numbers in 840-240