About this number
(318) 646 is a landline based telephone number operated by Bellsouth Telecomm INC DBA Sou and is located in zip code 71454 in the city of Montgomery, Louisiana, which is in Grant Parish County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 318 and Network Numbering Exchange (NXX - also known as a prefix) of 646. It has an Operating Company Number (OCN) of 9419. A Common Language Location Identifier (CLLI) of MTGMLAMARS1. As well as a Local access and transport area (LATA) of 486. Zip code 71454 has a population of 2,527 as of the 2010 census.