HEADQUARTER'S ADDRESS General Secretariat of the Parliamentary Union of the OIC Member States:No.50 Pesyan Street, Corner of Moghaddas Ardabili Street, Zaferanieh, Tehran - Zip Code: 198633553. POSTAL ADDRESS P.O. Box No.19395-3851, Tehran. TELEPHONE NUMBERS (9821) 2241-8860 to 62. FAX NUMBER (9821) 2241-8859 and 2241-8858. E-MAIL ADDRESS: G.S@PUOICM.ORG