978-339 phone numbers

Numbers 978-339-0000 to 978-339-9999 are assigned to Mcimetro Access Transmission Services LLC (rate centre LITTLETON, MA, NANPA abbreviation). 6 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 978-339