About this number
(203) 477 is a wireless/mobile based telephone number operated by USA Mobility Wireless, Inc. and is located in zip code 06511 in the city of New Haven, Connecticut, which is in New Haven 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 477. It has an Operating Company Number (OCN) of 6630. A Common Language Location Identifier (CLLI) of NWHNCT0206T. As well as a Local access and transport area (LATA) of 920. Zip code 06511 has a population of 53,600 as of the 2010 census.