Area Code 563-221 located in DE WITT, CLINTON, IA, more detail is as below. Place NPA (Numbering Plan Area) : 563 NXX (Local Number Prefix) : 221 City : DE WITT County : CLINTON State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 5/16/2006 FIPS (Federal Information Processing Standards) : 19045 LATA (Local Access Transport Area) : 634 Rate Center : DE WITT ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 52742 Other Information NPANXX : 563221 County Population : 0 Switch CLLI (Common Language Location Identifier) : DVNPIAEATMD MSA CBSA (Core Based Statistical Area) : Clinton, IA MSA CBSA Code (Core Based Statistical Area) : 17540 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SPRINT COMMUNICATIONS COMPANY, L.P. - IA OCN (Operating Company Number) : 8939 Coverage Area Name : DE WITT Latitude : 41.8250 Longitude : -90.5414 ‹ previous : 563-220 next › : 563-222 Telephone Number List 563-221-0000 ~ 563-221-9999