← Area code 505
505-718 phone numbers
Numbers 505-718-0000 to 505-718-9999 are assigned to T-Mobile USA, Inc. in Las Vegas, NM. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 505-718-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.