Area Code 712-478 located in LARCHWOOD, LYON, IA, more detail is as below. Place NPA (Numbering Plan Area) : 712 NXX (Local Number Prefix) : 478 City : LARCHWOOD 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 : LESTER ZIP Code Count : 37 ZIP Code Frequency : 17 ZIP Code : 51241 Other Information NPANXX : 712478 Switch CLLI (Common Language Location Identifier) : LSTRIAXORS4 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - IA OCN (Operating Company Number) : 1405 Coverage Area Name : ALVORD Latitude : 43.4368 Longitude : -96.3263 ‹ previous : 712-477 next › : 712-478 Telephone Number List 712-478-0000 ~ 712-478-9999