Prefix overview
Phone numbers in prefix 508-203
This page covers the 508-203 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
508-203
RATE CENTER
FOXBORO
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - MA
MA
Prefix range
The prefix 508-203 includes numbers from 5082030000 to 5082039999.
This range is associated with the FOXBORO rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - MA.
Numbers in this prefix
20 numbers