Prefix overview
Phone numbers in prefix 316-321
This page covers the 316-321 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
316-321
RATE CENTER
EL DORADO
CARRIER
SOUTHWESTERN BELL
KS
Prefix range
The prefix 316-321 includes numbers from 3163210000 to 3163219999.
This range is associated with the EL DORADO rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers