Area Code 660-389 located in ROCK PORT, ATCHISON, MO, more detail is as below. Place NPA (Numbering Plan Area) : 660 NXX (Local Number Prefix) : 389 City : ROCK PORT County : ATCHISON State : MO (Missouri) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 29005 LATA (Local Access Transport Area) : 524 Rate Center : SO HAMBURG ZIP Code Count : 39 ZIP Code Frequency : 56 ZIP Code : 64482 Other Information NPANXX : 660389 Switch CLLI (Common Language Location Identifier) : RCPTMOXBRS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : ROCK PORT TELEPHONE CO. OCN (Operating Company Number) : 1942 Coverage Area Name : WATSON Latitude : 40.5785 Longitude : -95.6362 ‹ previous : 660-389 next › : 660-394 Telephone Number List 660-389-0000 ~ 660-389-9999