Area Code 505-590 located in ARENAS VALLEY, GRANT, NM, more detail is as below. Place NPA (Numbering Plan Area) : 505 NXX (Local Number Prefix) : 590 City : ARENAS VALLEY County : GRANT State : NM (New Mexico) NXX Use Type : Wireless NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 35017 Rate Center : SILVERCITY ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 88022 Other Information NPANXX : 505590 Switch CLLI (Common Language Location Identifier) : LSCRNMDKCM1 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 Latitude : None Longitude : None ‹ previous : 505-589 next › : 505-591 Telephone Number List 505-590-0000 ~ 505-590-9999