About this number
(256) 690 is a landline based telephone number operated by Neutral Tandem-Alabama, LLC - and is located in the city of Huntsville, Alabama and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 256 and Network Numbering Exchange (NXX - also known as a prefix) of 690. It has an Operating Company Number (OCN) of 604E. A Common Language Location Identifier (CLLI) of HNVIALUNX6X. As well as a Local access and transport area (LATA) of 477. It was first assigned for usage on 04/19/2007.