508-381 phone numbers

Numbers 508-381-0000 to 508-381-9999 are assigned to Comcast Ip Phone, LLC in Milford, MA. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 508-381-4xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 508-381