About this number
(561) 491 is a landline based telephone number operated by Allegiance Telecom Of Florida, and is located in zip code 33172 in the city of Miami, Florida, which is in Dade County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 561 and Network Numbering Exchange (NXX - also known as a prefix) of 491. It has an Operating Company Number (OCN) of 2889. A Common Language Location Identifier (CLLI) of MIASFL68DS0. As well as a Local access and transport area (LATA) of 32767. It was first assigned for usage on 07/24/2001. Zip code 33172 has a population of 37,664 as of the 2010 census.