| Unknown | 555-550-0xxx | Unknown |
| Unknown | 555-550-1xxx | Unknown |
| Unknown | 555-550-2xxx | Unknown |
| Unknown | 555-550-3xxx | Unknown |
| Unknown | 555-550-4xxx | Unknown |
| Unknown | 555-550-5xxx | Unknown |
| Unknown | 555-550-6xxx | Unknown |
| Unknown | 555-550-7xxx | Unknown |
| Unknown | 555-550-8xxx | Unknown |
| Unknown | 555-550-9xxx | Unknown |