Area Code 712-957 located in PRIMGHAR, OBRIEN, IA, more detail is as below. Place NPA (Numbering Plan Area) : 712 NXX (Local Number Prefix) : 957 City : PRIMGHAR County : OBRIEN State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 2002-02-13 FIPS (Federal Information Processing Standards) : 19141 LATA (Local Access Transport Area) : 630 Rate Center : PRIMGHAR ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 51245 Other Information NPANXX : 712957 Switch CLLI (Common Language Location Identifier) : HRTLIAAFRL0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : COMMUNITY CABLE TV AGCY O'BRIEN CO. DBA COMM.-IA OCN (Operating Company Number) : 3112 Coverage Area Name : PRIMGHAR Latitude : 43.0811 Longitude : -95.6241 ‹ previous : 712-951 next › : 712-963 Telephone Number List 712-957-0000 ~ 712-957-9999