About this number
(603) 310 is a landline based telephone number operated by Ctc Communications Corp. - Nh and is located in zip code 03101 in the city of Manchester, New Hampshire, which is in Hillsborough 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 310. It has an Operating Company Number (OCN) of 2698. A Common Language Location Identifier (CLLI) of MNCHNHCOX9Y. As well as a Local access and transport area (LATA) of 122. Zip code 03101 has a population of 3,049 as of the 2010 census.