816-403 phone numbers

Numbers 816-403-0000 to 816-403-9999 are assigned to Onvoy, LLC in Holt, MO. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 816-403-2xxx, 816-403-5xxx, 816-403-6xxx, 816-403-7xxx, 816-403-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 816-403