Prefix overview
Phone numbers in prefix 360-221
This page covers the 360-221 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
360-221
RATE CENTER
SO WHIDBEY
CARRIER
WHIDBEY TEL. CO.
WA
Prefix range
The prefix 360-221 includes numbers from 3602210000 to 3602219999.
This range is associated with the SO WHIDBEY rate center and was originally assigned to WHIDBEY TEL. CO..
Numbers in this prefix
20 numbers