Area Code 505-628 located in CARLSBAD, EDDY, NM, more detail is as below. Place NPA (Numbering Plan Area) : 505 NXX (Local Number Prefix) : 628 City : CARLSBAD County : EDDY State : NM (New Mexico) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 35015 Rate Center : CARLSBAD ZIP Code Count : 822 ZIP Code Frequency : 100 ZIP Code : 88220 Other Information NPANXX : 505628 Switch CLLI (Common Language Location Identifier) : CRLBNMXADS0 MSA CBSA (Core Based Statistical Area) : Carlsbad-Artesia, NM MSA CBSA Code (Core Based Statistical Area) : 16100 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 505-627 next › : 505-629 Telephone Number List 505-628-0000 ~ 505-628-9999