About this number
(303) 978 is a landline based telephone number operated by Qwest Corporation and is located in zip code 80123 in the city of Littleton, Colorado, which is in Arapahoe County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 303 and Network Numbering Exchange (NXX - also known as a prefix) of 978. It has an Operating Company Number (OCN) of 9636. A Common Language Location Identifier (CLLI) of DNVRCOCLDS0. As well as a Local access and transport area (LATA) of 656. Zip code 80123 has a population of 44,795 as of the 2010 census.