Phone prefix +1-203906
Phone prefix: +1203906
This prefix is distributed within the state Connecticut
The largest city within this prefix is Derby, CT
District: New Haven
The largest organization: Cellco Partnership DBA Verizon Wireless
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
The largest city within the prefix of +1-203906.... numbers is shown below
Derby, CT.