Prefix overview
Phone numbers in prefix 878-439
This page covers the 878-439 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
878-439
RATE CENTER
ROCHESTER
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
PA
Prefix range
The prefix 878-439 includes numbers from 8784390000 to 8784399999.
This range is associated with the ROCHESTER rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers