Prefix overview
Phone numbers in prefix 405-304
This page covers the 405-304 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
405-304
RATE CENTER
OKLA CITY
CARRIER
SPOK, INC.
OK
Prefix range
The prefix 405-304 includes numbers from 4053040000 to 4053049999.
This range is associated with the OKLA CITY rate center and was originally assigned to SPOK, INC..
Numbers in this prefix
20 numbers