774-475 phone numbers

Numbers 774-475-0000 to 774-475-9999 are assigned to Vonage America LLC (rate centre MARLBORO, MA, NANPA abbreviation). 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 774-475-2xxx, 774-475-3xxx, 774-475-4xxx, 774-475-6xxx, 774-475-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 774-475