← Area code 978
978-956 phone numbers
Numbers 978-956-0000 to 978-956-9999 are assigned to Level 3 Communications, LLC in Fitchburg, MA. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 978-956-1xxx, 978-956-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.