About this number
(505) 661 is a landline based telephone number operated by Qwest Corporation and is located in zip code 87544 in the city of Los Alamos, New Mexico, which is in Los Alamos County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 505 and Network Numbering Exchange (NXX - also known as a prefix) of 661. It has an Operating Company Number (OCN) of 9636. A Common Language Location Identifier (CLLI) of LSALNMMADS0. As well as a Local access and transport area (LATA) of 664. Zip code 87544 has a population of 17,950 as of the 2010 census.