About this number
(331) 240-3133 is a landline based telephone number operated by Peerless Network Of Illinois, and is located in the city of W Chicago, Illinois and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 331, a Network Numbering Exchange (NXX - also known as a prefix) of 240 and a subscriber number of 3133. It has an Operating Company Number (OCN) of 063E. A Common Language Location Identifier (CLLI) of CHCGILWUDS4. As well as a Local access and transport area (LATA) of 358. It was first assigned for usage on 04/12/2013.