385-561 phone numbers

Numbers 385-561-0000 to 385-561-9999 are assigned to Five9, Inc. in Ogden, UT. 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 385-561-4xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 385-561