About this number
(563) 231-7037 is a landline based telephone number operated by Onvoy, Inc. - Ia and is located in the city of Dubuque, Iowa and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 563, a Network Numbering Exchange (NXX - also known as a prefix) of 231 and a subscriber number of 7037. It has an Operating Company Number (OCN) of 742E. A Common Language Location Identifier (CLLI) of NOCLLIKNOWN. As well as a Local access and transport area (LATA) of 634. It was first assigned for usage on 08/16/2013.