Prefix overview
Phone numbers in prefix 551-278
This page covers the 551-278 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
551-278
RATE CENTER
ORADELL
CARRIER
TELNYX LLC
NJ
Prefix range
The prefix 551-278 includes numbers from 5512780000 to 5512789999.
This range is associated with the ORADELL rate center and was originally assigned to TELNYX LLC.
Numbers in this prefix
20 numbers