About this number
(309) 421 is a landline based telephone number operated by Comcast Phone Of Illinois, LLC and is located in the city of Macomb, Illinois and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 309 and Network Numbering Exchange (NXX - also known as a prefix) of 421. It has an Operating Company Number (OCN) of 7607. A Common Language Location Identifier (CLLI) of MCMBILXDEMD. As well as a Local access and transport area (LATA) of 977. It was first assigned for usage on 05/27/2008.