Prefix overview
Phone numbers in prefix 815-438
This page covers the 815-438 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
815-438
RATE CENTER
TAMPICO
CARRIER
CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL
IL
Prefix range
The prefix 815-438 includes numbers from 8154380000 to 8154389999.
This range is associated with the TAMPICO rate center and was originally assigned to CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL.
Numbers in this prefix
20 numbers