About this number
(203) 680 is a landline based telephone number operated by Southern New England Telephone and is located in the city of New Haven, Connecticut and is in the Northeast. It has a Number Planning Area (NPA - also known as an Area Code) of 203 and Network Numbering Exchange (NXX - also known as a prefix) of 680. It has an Operating Company Number (OCN) of 9147. A Common Language Location Identifier (CLLI) of NWHNCT03DS3. As well as a Local access and transport area (LATA) of 920. It was first assigned for usage on 10/31/2012.