Area Code 330-314 located in YOUNGSTOWN, MAHONING, OH, more detail is as below. Place NPA (Numbering Plan Area) : 330 NXX (Local Number Prefix) : 314 City : YOUNGSTOWN County : MAHONING State : OH (Ohio) NXX Use Type : Landline NXX Intro Version : 1999-05-10 FIPS (Federal Information Processing Standards) : 39099 LATA (Local Access Transport Area) : 322 Rate Center : YOUNGSTOWN ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 44506 Other Information NPANXX : 330314 County Population : 0 Switch CLLI (Common Language Location Identifier) : YNTWOH02JMD MSA CBSA (Core Based Statistical Area) : Youngstown-Warren-Boardman, OH-PA MSA CBSA Code (Core Based Statistical Area) : 49660 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : AT&T LOCAL OCN (Operating Company Number) : 7421 Coverage Area Name : YOUNGSTOWN Latitude : 41.1054 Longitude : -80.6442 ‹ previous : 330-314 next › : 330-315 Telephone Number List 330-314-0000 ~ 330-314-9999