All available North American Numbering Plan Administration prefixes for 564 September 16, 2014 Tim 564-206 564-211 564-247 564-253 564-311 564-360 564-411 564-425 564-500 564-509 564-511 564-555 564-564 564-611 564-700 564-711 564-729 564-811 564-911 564-950 564-958 564-959 564-976