← Area code 939
939-475 phone numbers
Numbers 939-475-0000 to 939-475-9999 are assigned to Liberty Mobile Puerto Rico Inc. (rate centre SANTURCE, PR, NANPA abbreviation). 6 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.