About this number
(309) 644 is a landline based telephone number operated by Level 3 Communications, LLC - and is located in zip code 61201 in the city of Rock Island, Illinois, which is in Rock Island County, 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 644. It has an Operating Company Number (OCN) of 6115. A Common Language Location Identifier (CLLI) of RCISILFP0MD. As well as a Local access and transport area (LATA) of 634. It was first assigned for usage on 05/14/2002. Zip code 61201 has a population of 39,116 as of the 2010 census.