Area Code 850-451 located in ALTHA, CALHOUN, FL, more detail is as below. Place NPA (Numbering Plan Area) : 850 NXX (Local Number Prefix) : 451 City : ALTHA County : CALHOUN State : FL (Florida) NXX Use Type : Wireless NXX Intro Version : 12/27/2006 FIPS (Federal Information Processing Standards) : 12013 LATA (Local Access Transport Area) : 450 Rate Center : ALTHA ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 32421 Other Information NPANXX : 850451 Switch CLLI (Common Language Location Identifier) : PTSJFLXA2MD Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : ALTHA Latitude : 30.5771 Longitude : -85.1259 ‹ previous : 850-450 next › : 850-452 Telephone Number List 850-451-0000 ~ 850-451-9999