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Operational Bulletin (2005 editions)
 Operational Bulletin No. 850 (15.XII.2005)
 Operational Bulletin No. 849 (1.XII.2005) and Annexed List: Dialling procedures (international prefix, national (trunk) prefix and national (significant) number) (in accordance with ITU-T Recommendation E.164 (02/05)) (Position on 1st December 2005)
 Operational Bulletin No. 848 (15.XI.2005)
 Operational Bulletin No. 847 (1.XI.2005) and Annexed List: Access codes/numbers for mobile networks (According to ITU-T Recommendation E.164 (02/2005)
 Operational Bulletin No. 846 (15.X.2005)
 Operational Bulletin No. 845 (1.X.2005) and Annexed List: List of International Signalling Point Codes (ISPC) (According to ITU-T Recommendation Q.708 (03/1999)
 Operational Bulletin No. 844 (15.IX.2005)
 Operational Bulletin No. 843 (1.IX.2005)
 Operational Bulletin No. 842 (15.VIII.2005)
 Operational Bulletin No. 841 (1.VIII.2005) and Annexed List: List of terrestrial trunk radio mobile country codes (Complement to ITU-T Recommendation E.218 (05/2004))
(Position on 1 August 2005)
 Operational Bulletin No. 840 (15.VII.2005)
 Operational Bulletin No. 839 (1.VII.2005) and Annexed List: List of Mobile Country or Geographical Area Codes (Complement to ITU-T Recommendation E.212 (05/2004)) (Position on 1 July 2005)
 Operational Bulletin No. 838 (15.VI.2005)
 Operational Bulletin No. 837 (1.VI.2005) and Annexed List: Mobile Network Code (MNC) for the international identification plan for mobile terminals and mobile users (According to ITU-T Recommendation E.212 (05/2004))
 Operational Bulletin No. 836 (15.V.2005)
 Operational Bulletin No. 835 (1.V.2005) and Annexed List: List of ITU-T Recommendation E.164 assigned country codes (Complement to ITU-T Recommendation E.164 (02/2005)) (Position on 1 May 2005)
 Operational Bulletin No. 834 (15.IV.2005)
 Operational Bulletin No. 833 (1.IV.2005) and Annexed List: List of Issuer Identifier Numbers for the International Telecommunication Charge Card (In accordance with ITU-T Recommendation E.118) (Position on 1 April 2005)
 Operational Bulletin No. 832 (15.III.2005)
 Operational Bulletin No. 831 (1.III.2005)
 Operational Bulletin No. 830 (15.II.2005)
 Operational Bulletin No. 829 (1.II.2005)
 Operational Bulletin No. 828 (15.I.2005)
 Operational Bulletin No. 827 (1.I.2005) and Annexed List:Dialling procedures (international prefix, national (trunk) prefix and national (significant) number) (in accordance with ITU-T Recommendation E.164 (05/97)) (Position on 1st January 2005)
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