About this number
(603) 255 is a landline based telephone number operated by Dixville Telephone Co. and is located in zip code 03576 in the city of Colebrook, New Hampshire, which is in Coos County, and is in the Northeast. It has a Number Planning Area (NPA - also known as an Area Code) of 603 and Network Numbering Exchange (NXX - also known as a prefix) of 255. It has an Operating Company Number (OCN) of 42. A Common Language Location Identifier (CLLI) of DXNTNHXA255. As well as a Local access and transport area (LATA) of 122. Zip code 03576 has a population of 3,238 as of the 2010 census.