Area Code 319-665 located in NORTH LIBERTY, JOHNSON, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 665 City : NORTH LIBERTY County : JOHNSON State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1999-02-27 FIPS (Federal Information Processing Standards) : 19103 LATA (Local Access Transport Area) : 635 Rate Center : NO LIBERTY ZIP Code Count : 1051 ZIP Code Frequency : 98 ZIP Code : 52317 Other Information NPANXX : 319665 County Population : 0 Switch CLLI (Common Language Location Identifier) : NLBTIAXODS0 MSA CBSA (Core Based Statistical Area) : Iowa City, IA MSA CBSA Code (Core Based Statistical Area) : 26980 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SOUTH SLOPE COOPERATIVE TELEPHONE CO., INC. OCN (Operating Company Number) : 1298 Coverage Area Name : NORTH LIBERTY Latitude : 41.7428 Longitude : -91.6030 ‹ previous : 319-664 next › : 319-667 Telephone Number List 319-665-0000 ~ 319-665-9999