About this number
(203) 542 is a landline based telephone number operated by At&T Local and is located in zip code 10601 in the city of White Plains, Connecticut, which is in Westchester 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 542. It has an Operating Company Number (OCN) of 7421. A Common Language Location Identifier (CLLI) of WHPLNY05DS0. As well as a Local access and transport area (LATA) of 132. Zip code 10601 has a population of 11,376 as of the 2010 census.