Area Code 570-538 located in DEWART, NORTHUMBERLAND, PA, more detail is as below. Place NPA (Numbering Plan Area) : 570 NXX (Local Number Prefix) : 538 City : DEWART County : NORTHUMBERLAND State : PA (Pennsylvania) NXX Use Type : Landline NXX Intro Version : 1999-02-27 FIPS (Federal Information Processing Standards) : 42097 LATA (Local Access Transport Area) : 232 Rate Center : WATSONTOWN ZIP Code Count : 105 ZIP Code Frequency : 3 ZIP Code : 17730 Other Information NPANXX : 570538 County Population : 0 Switch CLLI (Common Language Location Identifier) : WTTWPAXWDS1 MSA CBSA (Core Based Statistical Area) : Sunbury, PA MSA CBSA Code (Core Based Statistical Area) : 44980 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : WINDSTREAM PENNSYLVANIA, INC. OCN (Operating Company Number) : 0176 Coverage Area Name : WATSONTOWN Latitude : 41.0937 Longitude : -76.8574 ‹ previous : 570-538 next › : 570-538 Telephone Number List 570-538-0000 ~ 570-538-9999