Prefix overview
Phone numbers in prefix 857-328
This page covers the 857-328 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
857-328
RATE CENTER
BOSTON
CARRIER
VOIP INNOVATIONS, LLC
MA
Prefix range
The prefix 857-328 includes numbers from 8573280000 to 8573289999.
This range is associated with the BOSTON rate center and was originally assigned to VOIP INNOVATIONS, LLC.
Numbers in this prefix
20 numbers