TIA/EIA-136 System Operator Code (SOC) Assignments International SOC Assignment System Operators Value (hex) AT&T Wireless Services Inc. 801 Rogers Cantel Inc. 802 Bell South Cellular 803 Southwestern Bell Mobile Systems 804 Bell Mobility 805 Telecom Mobile Communications Limited of New Zealand 806 Vanguard 807 Century Cellunet 808 Pacific Telecom Cellular 809 Rubicon Wireless Communications 80A Uzdunrobita 80B Radio Movil Dipsa TELCEL 80C Unitel Wireless Communications Systems 80D Telecom Personal, S.A. 80E United States Cellular Corporation 80F Midwest Wireless Communications 810 Rural Cellular Corporation 811 Cellular Mobile Systems of St. Cloud 812 Cellular Communications of Puerto Rico 813 Palmer Wireless, Inc. 814 Cellumovil S.A. 815 Dobson Cellular Systems, Inc 816 Cellcom Israel, Ltd. 817 CTE Telecom Personal 818 Mid-Missouri Cellular, Inc. 819 CMT Partners 81A SNET Wireless 81B Bluegrass Cellular, Inc. 81C Brazos Cellular Communications, Ltd 81D Houston Cellular Telephone Company 81E Minnesota Southern Wireless Company 81F MTA Wireless 820 Great Lakes of Iowa, Inc 821 Telefonica Comunicaciones Personales, SA 822 Hongkong Telecom 823 Advantage Cellular 824 Communication Cellulaire D’Haiti, SA 825 Citizens Mohave Cellular 826 Telefonica Cellular del Paraguay, S.A. 827 Western Wireless Corporation 828 CTC STARTEL 829 Valley Telecom Cellular 82A Douglas Telecommunications, Inc. 82B Tess, S.A. 82C CTBC Cellular, S.A. 82D Americel, S.A. 82E PROINTERNET DO BRASIL 82F Telecommunicaciones Movilnet C.A. 830 Triton Cellular Partners, L.P. 831 Union Telephone Company 832 Corr Comm, LLC 833 Illinois Valley Cellular RSA 2, Inc. 834 Farmers Cellular Telephone, Inc. 835 Telemig Cellular S.A. 836 MAXITEL S.A. 837 Cable & Wireless West Indies, Ltd. 838 Entel Movil 839 Missouri RSA #5 d/b/a Chariton Valley 83A Sussex Cellular, Inc. 83B Tele Nordeste Celular Participacoes 83C Texas RSA 15B2 Limited Partnership d/b/a Five St 83D Advantage Cellular Systems, Inc 83E Panhandle Telecommunications Systems, Inc 83F ANTEL 840 PixTel Communications India, Ltd 841 Telecommunications Services of Trinidad and Tobago Limited 842 Gaia, Inc. 843 Tele Celular Sul Participacoes S.A. 844 Celulares Telefonica, Inc. 845 SLO Cellular Incorporated 846 Wuhan Tianyu Info. CO.LTD 847 Telecel, S.A. (Bolivia) 848 Bermuda Telephone Company Mobility 849 Consorcio Ecuatoriano de Telecomunicaciones S.A 84A Tn Rsa No. 3, L.P. 84B Carolina West Wireless 84C New Cell Inc. d/b/a Cellcom 84D Amarillo Cell-Tell Co. DBA Cellular One of Amarillo 84E Amazonia Celular PA 84F Mobile Tel 850 Comcel & Occel 851 Plateau Telecommunications Inc. 852 Permanently Reserved 853 Commnet Wireless, Inc. 854 Mid-Tex Cellular, Ltd. 855 West Central Wireless 856 Cellular Phone of Kentucky D.B.A. Ramcell of Kentucky 857 Concho Cellular d.b.a CellularOne 858 Leaco Rural Telephone Co. 859 Pine Cellular Co. 85A Triton PCS, Inc. 85B All other International SOC values are reserved National SOC Assignment Country System Operators Value (hex) US AT&T Wireless Services Inc. 001 Bell South Cellular 003 Southwestern Bell Mobile Systems 004 Appalacian Cellular 005 InterCel, Inc 006 Vanguard 007 Century Cellunet 008 Pacific Telecom Cellular 009 Pricellular 00A Cellular Holdings, Inc 00B Public Service Cellular, Inc 00C Unitel Wireless Communications Systems 00D Unicel 00E United States Cellular Corporation 00F Midwest Wireless Communications 010 Rural Cellular Corporation 011 Cellular Mobile Systems of St. Cloud 012 Houston Cellular Telephone Company 013 Palmer Wireless, Inc 014 Sygnet Wireless 015 Liberty Cellular 016 Wireless One 017 Mobile Tel (previously Mobitel) 018 Mercury Cellular 019 CMT Partners 01A SNET Wireless 01B Indus, Inc. 01C Cellular XL Associates, L.P. 01D Centennial Communications 053 Puerto Rico Cellular Communications of Puerto Rico 013 Canada Rogers Cantel Inc. 002 Bell Mobility 005 New Zealand Telecom Mobile Communications Limited 001 of New Zealand Uzbekistan Rubicon Wireless Communications 00A Uzdunrobita 00B Mexico Radio Movil Dipsa TELCEL 00C Malaysia Mobikom 001 Argentina Miniphone, SA 001 Columbia Comcel & Occel 384 All other National SOC values are reserved .