Area Code 270-345 located in MAYFIELD, GRAVES, KY, more detail is as below. Place NPA (Numbering Plan Area) : 270 NXX (Local Number Prefix) : 345 City : MAYFIELD County : GRAVES State : KY (Kentucky) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 21083 LATA (Local Access Transport Area) : 464 Rate Center : FARMINGTON ZIP Code Count : 489 ZIP Code Frequency : 64 ZIP Code : 42066 Other Information NPANXX : 270345 County Population : 0 Switch CLLI (Common Language Location Identifier) : FRTNKYXARS0 MSA CBSA (Core Based Statistical Area) : Mayfield, KY MSA CBSA Code (Core Based Statistical Area) : 32460 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : WEST KENTUCKY RURAL TELEPHONE COOP. CORP., INC. OCN (Operating Company Number) : 0421 Coverage Area Name : KIRKSEY Latitude : 36.6681 Longitude : -88.5282 ‹ previous : 270-345 next › : 270-346 Telephone Number List 270-345-0000 ~ 270-345-9999