Area Code 712-475 located in GEORGE, LYON, IA, more detail is as below. Place NPA (Numbering Plan Area) : 712 NXX (Local Number Prefix) : 475 City : GEORGE County : LYON State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 19119 LATA (Local Access Transport Area) : 630 Rate Center : GEORGE ZIP Code Count : 846 ZIP Code Frequency : 93 ZIP Code : 51237 Other Information NPANXX : 712475 Switch CLLI (Common Language Location Identifier) : GERGIAXODS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : FRONTIER COMMUNICATIONS OF IOWA, INC. OCN (Operating Company Number) : 1127 Coverage Area Name : GEORGE Latitude : 43.3421 Longitude : -95.9987 ‹ previous : 712-475 next › : 712-476 Telephone Number List 712-475-0000 ~ 712-475-9999