Prefix overview
Phone numbers in prefix 518-203
This page covers the 518-203 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
518-203
RATE CENTER
TROY
CARRIER
TC SYSTEMS, INC. - NY
NY
Prefix range
The prefix 518-203 includes numbers from 5182030000 to 5182039999.
This range is associated with the TROY rate center and was originally assigned to TC SYSTEMS, INC. - NY.
Numbers in this prefix
20 numbers