Prefix overview
Phone numbers in prefix 781-400
This page covers the 781-400 prefix in the United States. It shows where numbers come from, which carrier is linked to the range, and how this block is structured.
If you are looking for a specific number, you can continue to its dedicated phone page. Otherwise, this page helps you understand the broader number block behind it.
PREFIX
781-400
RATE CENTER
NEEDHAM
CARRIER
COMCAST IP PHONE, LLC
MA
Prefix range
The prefix 781-400 includes numbers from 7814000000 to 7814009999.
This range is associated with the NEEDHAM rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers