It is:
(702) 506-0059 is LANDLINE number
Phone Company: COMMPARTNERS, LLC - NV
Location: LAS VEGAS, NV
Local Calling Area: Pahrump NV (southern NV, including Sprint's Centel Las Vegas)

Despite what some here may tell you, it is a red flag. In 99% of cases, only agencies use land line numbers (and don't try to hide it).