Prefix overview
Phone numbers in prefix 501-221
This page covers the 501-221 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
501-221
RATE CENTER
LITTLEROCK
CARRIER
SOUTHWESTERN BELL
AR
Prefix range
The prefix 501-221 includes numbers from 5012210000 to 5012219999.
This range is associated with the LITTLEROCK rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers