Technical information

Blocking Toll Fraud Destinations
Issue 7 June 2001
10-13
ARS RHNPA TABLE: 31
OFFICE CODES: 500-599
Pattern Choices
01:2 03: 05: 07: 09: 11:
02: 04: 06: 08: 10: 12:
Office Code - Pattern Choice
Assignments (from 1 to 12 above)
20:12 30:12 40:12 50:12 60:12 70:1 80:12 90:1
21:12 31:12 41:12 51:12 61:12 71:12 81:12 91:1
22:12 32:12 42:12 52:12 62:12 72:12 82:12 92:12
23:12 33:12 43:12 53:12 63:12 73:12 83:12 93:12
24:12 34:12 44:12 54:12 64:12 74:12 84:12 94:12
25:12 35:12 45:12 55:2 65:12 75:12 85:12 95:12
26:12 36:12 46:12 56:12 66:12 76:12 86:12 96:12
27:12 37:12 47:12 57:12 67:12 77:12 87:12 97:12
28:12 38:12 48:12 58:12 68:12 78:12 88:12 98:1
29:12 39:12 49:12 59:12 69:12 79:12 89:12 99:1