Prefix overview
Phone numbers in prefix 203-457
This page covers the 203-457 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
203-457
RATE CENTER
GUILFORD
CARRIER
SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT
CT
Prefix range
The prefix 203-457 includes numbers from 2034570000 to 2034579999.
This range is associated with the GUILFORD rate center and was originally assigned to SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT.
Numbers in this prefix
20 numbers