661-797 phone numbers

Numbers 661-797-0000 to 661-797-9999 are assigned to Frontier California Inc. in Lost Hills, CA. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 661-797-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 661-797