Prefix overview
Phone numbers in prefix 317-320
This page covers the 317-320 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
317-320
RATE CENTER
INDIANAPLS
CARRIER
SPOK, INC.
IN
Prefix range
The prefix 317-320 includes numbers from 3173200000 to 3173209999.
This range is associated with the INDIANAPLS rate center and was originally assigned to SPOK, INC..
Numbers in this prefix
20 numbers