Prefix overview
Phone numbers in prefix 805-278
This page covers the 805-278 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
805-278
RATE CENTER
EL RIO
CARRIER
FRONTIER CALIFORNIA INC.
CA
Prefix range
The prefix 805-278 includes numbers from 8052780000 to 8052789999.
This range is associated with the EL RIO rate center and was originally assigned to FRONTIER CALIFORNIA INC..
Numbers in this prefix
20 numbers