Prefix overview
Phone numbers in prefix 743-278
This page covers the 743-278 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
743-278
RATE CENTER
SUMMERFLD
CARRIER
ONVOY, LLC - NC
NC
Prefix range
The prefix 743-278 includes numbers from 7432780000 to 7432789999.
This range is associated with the SUMMERFLD rate center and was originally assigned to ONVOY, LLC - NC.
Numbers in this prefix
20 numbers