Prefix overview
Phone numbers in prefix 203-305
This page covers the 203-305 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
203-305
RATE CENTER
ANSONIDRBY
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - DC
CT
Prefix range
The prefix 203-305 includes numbers from 2033050000 to 2033059999.
This range is associated with the ANSONIDRBY rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - DC.
Numbers in this prefix
20 numbers