Area Code 717-285 located in MOUNTVILLE, LANCASTER, PA, more detail is as below. Place NPA (Numbering Plan Area) : 717 NXX (Local Number Prefix) : 285 City : MOUNTVILLE County : LANCASTER State : PA (Pennsylvania) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 42071 LATA (Local Access Transport Area) : 226 Rate Center : MOUNTVILLE ZIP Code Count : 1879 ZIP Code Frequency : 51 ZIP Code : 17554 Other Information NPANXX : 717285 Switch CLLI (Common Language Location Identifier) : MTVLPAXMRS1 MSA CBSA (Core Based Statistical Area) : Lancaster, PA MSA CBSA Code (Core Based Statistical Area) : 29540 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : UNITED TEL CO. OF PENNSYLVANIA DBA CENTURYLINK OCN (Operating Company Number) : 0209 Coverage Area Name : MOUNTVILLE Latitude : 40.0409 Longitude : -76.4359 ‹ previous : 717-285 next › : 717-286 Telephone Number List 717-285-0000 ~ 717-285-9999