Prefix overview
Phone numbers in prefix 667-374
This page covers the 667-374 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
667-374
RATE CENTER
WATERLO238
CARRIER
BANDWIDTH.COM CLEC, LLC - MD
MD
Prefix range
The prefix 667-374 includes numbers from 6673740000 to 6673749999.
This range is associated with the WATERLO238 rate center and was originally assigned to BANDWIDTH.COM CLEC, LLC - MD.
Numbers in this prefix
20 numbers