← Area code 978
978-992 phone numbers
Numbers 978-992-0000 to 978-992-9999 are assigned to Level 3 Communications, LLC (rate centre NEWBURYPT, MA, NANPA abbreviation). 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 978-992-4xxx, 978-992-5xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.