Prefix overview
Phone numbers in prefix 945-278
This page covers the 945-278 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
945-278
RATE CENTER
FRISCO
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
TX
Prefix range
The prefix 945-278 includes numbers from 9452780000 to 9452789999.
This range is associated with the FRISCO rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers