About this number
(331) 250 is a wireless/mobile based telephone number operated by T-Mobile Usa, Inc. and is located in the city of Aurora, 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 250. It has an Operating Company Number (OCN) of 6529. A Common Language Location Identifier (CLLI) of NBRKILQBGT0. As well as a Local access and transport area (LATA) of 358. It was first assigned for usage on 04/10/2012.