About this number
(847) 770-4424 is a landline based telephone number operated by Xo Illinois, Inc. and is located in the city of Northbrook, Illinois and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 847, a Network Numbering Exchange (NXX - also known as a prefix) of 770 and a subscriber number of 4424. It has an Operating Company Number (OCN) of 7056. A Common Language Location Identifier (CLLI) of WDDLILCBDS0. As well as a Local access and transport area (LATA) of 358. It was first assigned for usage on 09/13/2005.