About this number
(203) 663 is a landline based telephone number operated by Paetec Communications, Inc. - and is located in zip code 06995 in the city of Norwalk, Connecticut, which is in Fairfield County, 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 663. It has an Operating Company Number (OCN) of 3083. A Common Language Location Identifier (CLLI) of SMFRCTATW51. As well as a Local access and transport area (LATA) of 920.