← Area code 978
978-359 phone numbers
Numbers 978-359-0000 to 978-359-9999 are assigned to Mcimetro Access Transmission Services LLC in Topsfield, MA. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 978-359-3xxx, 978-359-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.