Area Code 405-391 located in NEWCASTLE, MCCLAIN, OK, more detail is as below. Place NPA (Numbering Plan Area) : 405 NXX (Local Number Prefix) : 391 City : NEWCASTLE County : MCCLAIN State : OK (Oklahoma) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 40087 LATA (Local Access Transport Area) : 536 Rate Center : NEWALLA ZIP Code Count : 188 ZIP Code Frequency : 7 ZIP Code : 73065 Other Information NPANXX : 405391 Switch CLLI (Common Language Location Identifier) : NWLLOKXADS0 MSA CBSA (Core Based Statistical Area) : Oklahoma City, OK MSA CBSA Code (Core Based Statistical Area) : 36420 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MCLOUD TELEPHONE CO. OCN (Operating Company Number) : 2006 Coverage Area Name : HARRAH Latitude : 35.4080 Longitude : -97.1898 ‹ previous : 405-391 next › : 405-391 Telephone Number List 405-391-0000 ~ 405-391-9999