Prefix overview
Phone numbers in prefix 857-675
This page covers the 857-675 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
857-675
RATE CENTER
ROXBURY
CARRIER
ONVOY, LLC - MA
MA
Prefix range
The prefix 857-675 includes numbers from 8576750000 to 8576759999.
This range is associated with the ROXBURY rate center and was originally assigned to ONVOY, LLC - MA.
Numbers in this prefix
20 numbers