Area Code 970-404 located in GLENWOOD SPRINGS, GARFIELD, CO, more detail is as below. Place NPA (Numbering Plan Area) : 970 NXX (Local Number Prefix) : 404 City : GLENWOOD SPRINGS County : GARFIELD State : CO (Colorado) NXX Use Type : Wireless NXX Intro Version : 2001-10-31 FIPS (Federal Information Processing Standards) : 08045 LATA (Local Access Transport Area) : 656 Rate Center : GLENWD SPG ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 81601 Other Information NPANXX : 970404 Switch CLLI (Common Language Location Identifier) : DNVRCOIICM6 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : T-MOBILE USA, INC. OCN (Operating Company Number) : 6529 Coverage Area Name : GLENWOOD SPRINGS Latitude : 39.5411 Longitude : -107.3235 ‹ previous : 970-403 next › : 970-405 Telephone Number List 970-404-0000 ~ 970-404-9999