← Area code 978
978-899 phone numbers
Numbers 978-899-0000 to 978-899-9999 are assigned to Verizon Wireless (rate centre LITTLETON, MA, NANPA abbreviation). 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 978-899-2xxx, 978-899-3xxx, 978-899-4xxx, 978-899-5xxx, 978-899-6xxx, 978-899-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.