← Area code 787
787-558 phone numbers
Numbers 787-558-0000 to 787-558-9999 are assigned to Worldnet Telecommunications, Inc. (rate centre SAN ISABEL, PR, NANPA abbreviation). 9 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.