About this number
(331) 210 is a landline based telephone number operated by Peerless Network Of Illinois, and is located in the city of St Charles, Illinois and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 331 and Network Numbering Exchange (NXX - also known as a prefix) of 210. 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 03/06/2012.