978-252 phone numbers

Numbers 978-252-0000 to 978-252-9999 are assigned to Level 3 Communications, LLC (rate centre ASHBURNHAM, MA, NANPA abbreviation). 8 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 978-252