About this number
(631) 406 is a landline based telephone number operated by Rcn Telecom Services, Inc. - N and is located in zip code 11787 in the city of Smithtown, New York, which is in Suffolk County, and is in the Northeast. It has a Number Planning Area (NPA - also known as an Area Code) of 631 and Network Numbering Exchange (NXX - also known as a prefix) of 406. It has an Operating Company Number (OCN) of 7353. A Common Language Location Identifier (CLLI) of SMTWNYSM5MD. As well as a Local access and transport area (LATA) of 132. Zip code 11787 has a population of 35,772 as of the 2010 census.