Canadial Know Who Called
← Area code 936

936-720 phone numbers

Numbers 936-720-0000 to 936-720-9999 are assigned to Level 3 Communications, LLC (rate centre NACOGDOCHS, TX, NANPA abbreviation). 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 936-720-2xxx, 936-720-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 936-720