Phone number database: 0xx | 1xx | 2xx | 3xx | 4xx | 5xx | 6xx | 7xx | 8xx | 9xx // Updated Numbers: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 // Information requested: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9