Prefix overview
Phone numbers in prefix 405-221
This page covers the 405-221 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
405-221
RATE CENTER
HOLDENVL
CARRIER
UNITED STATES CELLULAR - OK
OK
Prefix range
The prefix 405-221 includes numbers from 4052210000 to 4052219999.
This range is associated with the HOLDENVL rate center and was originally assigned to UNITED STATES CELLULAR - OK.
Numbers in this prefix
20 numbers