Phone prefix +1-203563
Phone prefix: +1203563
This prefix is distributed within the state Connecticut
The largest city within this prefix is Wilton, CT
District: Fairfield
The largest organization: Southern New England Telephone Co.
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
The largest city within the prefix of +1-203563.... numbers is shown below
Wilton, CT.