Prefix 203-399

There are 1 phone numbers within prefix 203-399 that have resulted in reports by users.
 
The location of calls from 203-399 is Stamford, Connecticut, USA. Most numbers in this area code are in US Eastern time, where the time is currently 1:27:17 AM on July 1, 2025. The telco provider for 203-399 is Mcimetro Access Transmission Services Llc - Ct.
 
Choose a phone number from the list below to browse user reports for 203-399. You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.