Prefix overview
Phone numbers in prefix 360-274
This page covers the 360-274 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
360-274
RATE CENTER
CASTLEROCK
CARRIER
QWEST CORPORATION
WA
Prefix range
The prefix 360-274 includes numbers from 3602740000 to 3602749999.
This range is associated with the CASTLEROCK rate center and was originally assigned to QWEST CORPORATION.
Numbers in this prefix
20 numbers