My Own Pirate Radio

Places with no phone number country code:

• Western Sahara (Moroccan-controlled locations use 212)
• Antarctica–McMurdo Base, Amundsen-Scott Base, others (Dialing is dependent on parent country of each base.)
• Pitcairn Island (no connections to local switching; only satellite phones are dialable)
• Kerguelen Archipelago (no permanent local switches)

Wikipedia knows all.