Prefix overview
Phone numbers in prefix 479-221
This page covers the 479-221 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
479-221
RATE CENTER
FORT SMITH
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AR
AR
Prefix range
The prefix 479-221 includes numbers from 4792210000 to 4792219999.
This range is associated with the FORT SMITH rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AR.
Numbers in this prefix
20 numbers