Prefix overview
Phone numbers in prefix 878-400
This page covers the 878-400 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
878-400
RATE CENTER
WAMPUM
CARRIER
ONVOY, LLC - PA
PA
Prefix range
The prefix 878-400 includes numbers from 8784000000 to 8784009999.
This range is associated with the WAMPUM rate center and was originally assigned to ONVOY, LLC - PA.
Numbers in this prefix
20 numbers