| Tel | Fax | Email |
| Corporate |
| C-21 and C-36 Bandra Kurla Complex Mumbai Pin 400098 India | 91-22-66578765 | 91-22-66395162 | help:vsnl.com |
| Others |
| 5 Shenton Way #34-10 UIC Building Singapore Pin 0 Singapore | 65 6551 3600 | 65 6423 0315 | |
| 2402 Bank of America Tower 12 Harcourt Road Central Hong Kong Pin 0 Hong Kong | 852 3693 8888 | 852 3690 2022 | |
| King Street Wharf Suite 503 35 Lime Street NSW 2000 Sydney Pin 0 Australia | 61 2 9299 2014 | 61 2 9299 2019 | |
| Hamdan Street City Center Bldg Office # 204 Bolck-A IInd Floor PO -41660 Abu Dhabi Pin 0 U.A.E. | 971 2 626 6223 | 971 2 627 2624 | |
| 12010 Sunset Hills Road 4th Floor Reston Virginia 20190 Reston Pin 0 U.S. | 1 703 547 5900 | 1 703 547 6555 | |
| 90 Matawan Rd-3rd Floor Matawan NJ 07747 New Jersey Pin 0 U.S. | 1 732 888 6700 | 1 732 888 6809 | |
| 1555 Rue Carrie-Derick Montreal(Quebec) H3C 6W2 Canada Pin 0 Canada | 1 514 868 7272 | 1 514 868 7234 | |
| Exchange Tower Suite 7.03 2 Harbour Exchange Square E14 9GE London Pin 0 U.K. | 44 20 7519 4610 | 44 20 7519 4609 | |
| 131 Avenue Charles De Gaulle 92200 Neuilly Sur Seine France Pin 0 France | 33 1 41 43 4200 | 33 1 41 43 4200 | |
| Avenida de Europa 4 Bajo A Parque Empressarial La Moraleja 28108 Alcobendas Madrid Pin 0 Spain | 34 916 57 48 90 | 34 916 62 06 79 | |
| Bettinastrasse 30 D-60325 Frankfurt Pin 0 Germany | 49 69 97461 123 | | |
| LVSB Kashinath Dhuru Marg Prabhadevi Mumbai Pin 400028 India | 91-22-66578765 | | |
| Global Customer Service Centre Alandi Road Dighi Pune Pin 411015 India | 91-20-66357001 | | |
| VSB Bangla Sahib Road New Delhi Pin 110001 India | 91-11-6650111/66501234 | | |
| VSB 1/18 CIT Scheme VII M Ultadanga Kolkata Pin 700054 India | 91-33-66116660 | | |
| VSB No 4 Swami Sivananda Salai Chennai Pin 600002 India | 91-44-66774103 | | |
| Registered Office |
| Videsh Sanchar Bhavan Mahatma Gandhi Road Fort Mumbai Pin 400001 India | 91-22-66578765/66591965/66591966 | 91-22-66395162 | help:vsnl.com |