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View Full Version : General Information and World Data



  1. Worldwide GSM Mobile Telephone Coverage and Band Allocation
  2. Worldwide Dialling Codes including IDD and NDD Details
  3. World Demographic Detail - Holt, Rinehart & Winston
  4. World Demographic Detail - CIA World Factbook
  5. Avoiding Premium Rate Telephone Calls
  6. Worldwide Time and Date Details
  7. World Voltage, Frequency and Single Phase Plug Standards