| Unknown | 623-399-0xxx | Unknown |
| Unknown | 623-399-1xxx | Unknown |
| Unknown | 623-399-2xxx | Unknown |
| Unknown | 623-399-3xxx | Unknown |
| Unknown | 623-399-4xxx | Unknown |
| Unknown | 623-399-5xxx | Unknown |
| Unknown | 623-399-6xxx | Unknown |
| Unknown | 623-399-7xxx | Unknown |
| Unknown | 623-399-8xxx | Unknown |
| Unknown | 623-399-9xxx | Unknown |