Prefix overview
Phone numbers in prefix 918-321
This page covers the 918-321 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
918-321
RATE CENTER
KIEFER
CARRIER
SOUTHWESTERN BELL
OK
Prefix range
The prefix 918-321 includes numbers from 9183210000 to 9183219999.
This range is associated with the KIEFER rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers