Prefix overview
Phone numbers in prefix 857-391
This page covers the 857-391 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
857-391
RATE CENTER
CHARLESTN
CARRIER
OMNIPOINT MIAMI E LICENSE, LLC
MA
Prefix range
The prefix 857-391 includes numbers from 8573910000 to 8573919999.
This range is associated with the CHARLESTN rate center and was originally assigned to OMNIPOINT MIAMI E LICENSE, LLC.
Numbers in this prefix
20 numbers