<page_title> List of original NANP area codes </page_title> <table> <cell> 505 <col_header> Area code </col_header> </cell> <cell> New Mexico <col_header> Assigned state, province, or region </col_header> </cell> </table>
The North American area code 505 is a New Mexico telephone area code, which was one of the area codes established in 1947.