Prefix overview
Phone numbers in prefix 918-421
This page covers the 918-421 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
918-421
RATE CENTER
MCALESTER
CARRIER
SOUTHWESTERN BELL
OK
Prefix range
The prefix 918-421 includes numbers from 9184210000 to 9184219999.
This range is associated with the MCALESTER rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers