Prefix overview
Phone numbers in prefix 203-412
This page covers the 203-412 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
203-412
RATE CENTER
NEW HAVEN
CARRIER
AMERICAN MESSAGING SERVICES, LLC
CT
Prefix range
The prefix 203-412 includes numbers from 2034120000 to 2034129999.
This range is associated with the NEW HAVEN rate center and was originally assigned to AMERICAN MESSAGING SERVICES, LLC.
Numbers in this prefix
20 numbers