Canadial Know Who Called
← Area code 818

818-581 phone numbers

Numbers 818-581-0000 to 818-581-9999 are assigned to T-Mobile USA, Inc. (rate centre SNFN SNFN, CA, NANPA abbreviation). 4 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 818-581