Area Code 505-388 located in TYRONE, GRANT, NM, more detail is as below. Place NPA (Numbering Plan Area) : 505 NXX (Local Number Prefix) : 388 City : TYRONE County : GRANT State : NM (New Mexico) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 35017 LATA (Local Access Transport Area) : 664 Rate Center : SILVERCITY ZIP Code Count : 115 ZIP Code Frequency : 4 ZIP Code : 88065 Other Information NPANXX : 505388 Switch CLLI (Common Language Location Identifier) : SLCYNMMADS0 MSA CBSA (Core Based Statistical Area) : Silver City, NM MSA CBSA Code (Core Based Statistical Area) : 43500 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - NM OCN (Operating Company Number) : 5470 Coverage Area Name : LOS LUNAS Latitude : 34.8072 Longitude : -106.7319 ‹ previous : 505-388 next › : 505-388 Telephone Number List 505-388-0000 ~ 505-388-9999