Area Code 970-528 located in LARIMER, LARIMER, CO, more detail is as below. Place NPA (Numbering Plan Area) : 970 NXX (Local Number Prefix) : 528 City : LARIMER County : LARIMER State : CO (Colorado) NXX Intro Version : 4/10/2013 Rate Center : BERTHOUD ZIP Code Count : 0 ZIP Code Frequency : 0 Other Information NPANXX : 970528 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : PEERLESS NETWORK OF COLORADO, LLC - CO OCN (Operating Company Number) : 278F Latitude : None Longitude : None ‹ previous : 970-527 next › : 970-529 Telephone Number List 970-528-0000 ~ 970-528-9999