Prefix overview
Phone numbers in prefix 405-380
This page covers the 405-380 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
405-380
RATE CENTER
SEMINOLE
CARRIER
SOUTHWESTERN BELL
OK
Prefix range
The prefix 405-380 includes numbers from 4053800000 to 4053809999.
This range is associated with the SEMINOLE rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers