Area Code 501-233 located in CASA, PERRY, AR, more detail is as below. Place NPA (Numbering Plan Area) : 501 NXX (Local Number Prefix) : 233 City : CASA County : PERRY State : AR (Arkansas) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 05105 LATA (Local Access Transport Area) : 528 Rate Center : CASA ZIP Code Count : 228 ZIP Code Frequency : 97 ZIP Code : 72025 Other Information NPANXX : 501233 County Population : 0 Switch CLLI (Common Language Location Identifier) : CASAARXADS0 MSA CBSA (Core Based Statistical Area) : Little Rock-North Little Rock-Conway, AR MSA CBSA Code (Core Based Statistical Area) : 30780 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : ARKWEST COMMUNICATIONS, INC. OCN (Operating Company Number) : 1734 Coverage Area Name : CASA Latitude : 35.0242 Longitude : -93.0532 ‹ previous : 501-233 next › : 501-234 Telephone Number List 501-233-0000 ~ 501-233-9999