Prefix overview
Phone numbers in prefix 878-840
This page covers the 878-840 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
878-840
RATE CENTER
NEW SALEM
CARRIER
ONVOY SPECTRUM, LLC
PA
Prefix range
The prefix 878-840 includes numbers from 8788400000 to 8788409999.
This range is associated with the NEW SALEM rate center and was originally assigned to ONVOY SPECTRUM, LLC.
Numbers in this prefix
20 numbers