978-315 phone numbers

Numbers 978-315-0000 to 978-315-9999 are assigned to Peerless Network of Massachusetts, LLC in Wilmington, MA. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 978-315-8xxx — calls from these use spoofed caller IDs.

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 978-315