Prefix overview
Phone numbers in prefix 918-203
This page covers the 918-203 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
918-203
RATE CENTER
FORTGIBSON
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - OK
OK
Prefix range
The prefix 918-203 includes numbers from 9182030000 to 9182039999.
This range is associated with the FORTGIBSON rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - OK.
Numbers in this prefix
20 numbers