Area Code 717-623 located in HARRISBURG, DAUPHIN, PA, more detail is as below. Place NPA (Numbering Plan Area) : 717 NXX (Local Number Prefix) : 623 City : HARRISBURG County : DAUPHIN State : PA (Pennsylvania) NXX Use Type : Wireless NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 42043 LATA (Local Access Transport Area) : 226 Rate Center : HARISBGZN1 ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 17103 Other Information NPANXX : 717623 Switch CLLI (Common Language Location Identifier) : HRBGPAHAXVY MSA CBSA (Core Based Statistical Area) : Harrisburg-Carlisle, PA MSA CBSA Code (Core Based Statistical Area) : 25420 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE OCN (Operating Company Number) : 6846 Coverage Area Name : HARRISBURG Latitude : 40.2635 Longitude : -76.8828 ‹ previous : 717-623 next › : 717-624 Telephone Number List 717-623-0000 ~ 717-623-9999