About this number
(603) 294-4404 is a landline based telephone number operated by Level 3 Communications - Nh and is located in the city of Portsmouth, New Hampshire and is in the Northeast. It has a Number Planning Area (NPA - also known as an Area Code) of 603, a Network Numbering Exchange (NXX - also known as a prefix) of 294 and a subscriber number of 4404. It has an Operating Company Number (OCN) of 4017. A Common Language Location Identifier (CLLI) of MNCHNHCOX8Z. As well as a Local access and transport area (LATA) of 122. It was first assigned for usage on 01/01/1901.