Prefix overview
Phone numbers in prefix 660-378
This page covers the 660-378 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
660-378
RATE CENTER
DALTON
CARRIER
TERRA NOVA TELECOM INC.
MO
Prefix range
The prefix 660-378 includes numbers from 6603780000 to 6603789999.
This range is associated with the DALTON rate center and was originally assigned to TERRA NOVA TELECOM INC..
Numbers in this prefix
20 numbers