About this number
(973) 355-3070 is a landline based telephone number operated by At&T Local and is located in the city of Morristown, New Jersey and is in the Northeast. It has a Number Planning Area (NPA - also known as an Area Code) of 973, a Network Numbering Exchange (NXX - also known as a prefix) of 355 and a subscriber number of 3070. It has an Operating Company Number (OCN) of 7421. A Common Language Location Identifier (CLLI) of CDKNNJCKDMD. As well as a Local access and transport area (LATA) of 224. It was first assigned for usage on 01/01/1901.