Area Code 505-646 located in LAS CRUCES, DONA ANA, NM, more detail is as below. Place NPA (Numbering Plan Area) : 505 NXX (Local Number Prefix) : 646 City : LAS CRUCES County : DONA ANA State : NM (New Mexico) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 35013 Rate Center : LAS CRUCES ZIP Code Count : 21 ZIP Code Frequency : 91 ZIP Code : 88003 Other Information NPANXX : 505646 Switch CLLI (Common Language Location Identifier) : LSCRNMMADS0 MSA CBSA (Core Based Statistical Area) : Las Cruces, NM MSA CBSA Code (Core Based Statistical Area) : 29740 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 505-646 next › : 505-647 Telephone Number List 505-646-0000 ~ 505-646-9999