Prefix overview
Phone numbers in prefix 840-777
This page covers the 840-777 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
840-777
RATE CENTER
POMONA
CARRIER
TERRA NOVA TELECOM INC.
CA
Prefix range
The prefix 840-777 includes numbers from 8407770000 to 8407779999.
This range is associated with the POMONA rate center and was originally assigned to TERRA NOVA TELECOM INC..
Numbers in this prefix
20 numbers