Prefix overview
Phone numbers in prefix 860-203
This page covers the 860-203 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
860-203
RATE CENTER
Unknown rate center
CARRIER
Unknown carrier
CT
Prefix range
The prefix 860-203 includes numbers from 8602030000 to 8602039999.
This range is associated with the Unknown rate center rate center and was originally assigned to Unknown carrier.
Numbers in this prefix
20 numbers