About this number
(307) 220 is a wireless/mobile based telephone number operated by T-Mobile Usa, Inc. and is located in zip code 82007 in the city of Cheyenne, Wyoming, which is in Laramie County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 307 and Network Numbering Exchange (NXX - also known as a prefix) of 220. It has an Operating Company Number (OCN) of 6529. A Common Language Location Identifier (CLLI) of CHYNWYFN1KD. As well as a Local access and transport area (LATA) of 654. Zip code 82007 has a population of 19,096 as of the 2010 census.