SS7 Point Code Calculator
Point Code Input
Enter an SS7 point code in any supported format for conversion and analysis
Format examples: 1-2-3, 255-255-255, 10-20-30
Conversion Results
Point code conversions and analysis
Enter a point code and click Convert to see results
SS7 Point Code Formats
Understanding different international SS7 point code formats
ANSI (North America)
24-bit format: Network-Cluster-Member
- • Network: 0-255 (8 bits)
- • Cluster: 0-255 (8 bits)
- • Member: 0-255 (8 bits)
- • Total: 16.7 million point codes
ITU (International)
14-bit format: Zone-Area-ID
- • Zone: 0-7 (3 bits)
- • Area: 0-255 (8 bits)
- • ID: 0-7 (3 bits)
- • Total: 16,384 point codes
China
24-bit format: MSA-SSA-SP
- • Main Signaling Area: 0-255
- • Sub Signaling Area: 0-255
- • Signaling Point: 0-255
- • Total: 16.7 million point codes
Japan
16-bit format: Area-ID
- • Area: 0-255 (8 bits)
- • ID: 0-255 (8 bits)
- • Total: 65,536 point codes