Juan, Ponce, Mayaguez, Arecibo Airports: total: 162 usable: 144 with permanent-surface runways: 8 with runways over 3,659 m: 0 with runways 2,440-3,659 m: 81 with permanent-surface runways: 13 with runways 1,220-2,439 m: 1 Telecommunications: single-line telephone system using cable and microwave to Iraq, Saudi Arabia, Senegal, Seychelles, Sierra Leone, Somalia, Sudan, Suriname, Swaziland, Sweden, Switzerland, Syria, Tanzania, Thailand, Togo, Tonga, Trinidad and Tobago, Tunisia, Turks and Caicos Islands Independence: 1 January (1956) Political parties and leaders: none;
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