Area Code 719-674 located in SAN LUIS, COSTILLA, CO, more detail is as below. Place NPA (Numbering Plan Area) : 719 NXX (Local Number Prefix) : 674 City : SAN LUIS County : COSTILLA State : CO (Colorado) NXX Use Type : Landline NXX Intro Version : 7/13/2007 FIPS (Federal Information Processing Standards) : 08023 LATA (Local Access Transport Area) : 658 Rate Center : SAN LUIS ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 81152 Other Information NPANXX : 719674 Switch CLLI (Common Language Location Identifier) : CLSQCOAQ6MD Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : 360NETWORKS (USA) INC. - CO OCN (Operating Company Number) : 764D Coverage Area Name : SAN LUIS Latitude : 37.2079 Longitude : -105.4220 ‹ previous : 719-672 next › : 719-676 Telephone Number List 719-674-0000 ~ 719-674-9999