About this number
(860) 391 is a landline based telephone number operated by Southern New England Telephone and is located in zip code 06475 in the city of Old Saybrook, Connecticut, which is in Middlesex County, and is in the Northeast. It has a Number Planning Area (NPA - also known as an Area Code) of 860 and Network Numbering Exchange (NXX - also known as a prefix) of 391. It has an Operating Company Number (OCN) of 9147. A Common Language Location Identifier (CLLI) of OLSYCT00RS0. As well as a Local access and transport area (LATA) of 920. Zip code 06475 has a population of 10,242 as of the 2010 census.