Area Code 330-744 located in YOUNGSTOWN, MAHONING, OH, more detail is as below. Place NPA (Numbering Plan Area) : 330 NXX (Local Number Prefix) : 744 City : YOUNGSTOWN County : MAHONING State : OH (Ohio) NXX Use Type : Landline NXX Intro Version : 1996-04-15 FIPS (Federal Information Processing Standards) : 39099 LATA (Local Access Transport Area) : 322 Rate Center : YOUNGSTOWN ZIP Code Count : 294 ZIP Code Frequency : 13 ZIP Code : 44503 Other Information NPANXX : 330744 County Population : 0 Switch CLLI (Common Language Location Identifier) : YNTWOH74DS1 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 : AMERITECH OHIO OCN (Operating Company Number) : 9321 Coverage Area Name : YOUNGSTOWN Latitude : 41.1040 Longitude : -80.6526 ‹ previous : 330-744 next › : 330-744 Telephone Number List 330-744-0000 ~ 330-744-9999