About this number
(203) 531 is a landline based telephone number operated by Verizon New York, Inc. and is located in zip code 10573 in the city of Port Chester, 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 531. It has an Operating Company Number (OCN) of 9104. A Common Language Location Identifier (CLLI) of PTCHNYPCDS0. As well as a Local access and transport area (LATA) of 132. Zip code 10573 has a population of 38,352 as of the 2010 census.