Area Code 563-232 located in CASCADE, DUBUQUE, IA, more detail is as below. Place NPA (Numbering Plan Area) : 563 NXX (Local Number Prefix) : 232 City : CASCADE County : DUBUQUE State : IA (Iowa) NXX Intro Version : 2/7/2006 FIPS (Federal Information Processing Standards) : 19061 Rate Center : CASCADE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 52033 Other Information NPANXX : 563232 County Population : 0 Switch CLLI (Common Language Location Identifier) : DVNPIADT0MD MSA CBSA (Core Based Statistical Area) : Dubuque, IA MSA CBSA Code (Core Based Statistical Area) : 20220 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 563-231 next › : 563-233 Telephone Number List 563-232-0000 ~ 563-232-9999