Prefix overview
Phone numbers in prefix 840-877
This page covers the 840-877 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
840-877
RATE CENTER
MARSHALL
CARRIER
FRACTEL, LLC
CA
Prefix range
The prefix 840-877 includes numbers from 8408770000 to 8408779999.
This range is associated with the MARSHALL rate center and was originally assigned to FRACTEL, LLC.
Numbers in this prefix
20 numbers