Prefix overview
Phone numbers in prefix 857-496
This page covers the 857-496 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
857-496
RATE CENTER
SO BOSTON
CARRIER
COMCAST IP PHONE, LLC
MA
Prefix range
The prefix 857-496 includes numbers from 8574960000 to 8574969999.
This range is associated with the SO BOSTON rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers