Prefix overview
Phone numbers in prefix 661-221
This page covers the 661-221 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
661-221
RATE CENTER
MOJAVE
CARRIER
T-MOBILE USA, INC.
CA
Prefix range
The prefix 661-221 includes numbers from 6612210000 to 6612219999.
This range is associated with the MOJAVE rate center and was originally assigned to T-MOBILE USA, INC..
Numbers in this prefix
20 numbers