KnowRoaming offers 24/7 English Customer Support via phone, email and chat.
Our main Support Line number is +1-888-357-7347 but please feel free to contact us on any of the local numbers below or email us at info@knowroaming.com
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Complete List Contact Numbers
| Country | City | International Format | Local Format |
| North America (MAIN) | +1-888-357-7347 | 1-888-357-7347 | |
| Canada | Toronto | +1-647-931-1345 | 647-931-1345 |
| South Africa | Cape Town | +27 21 300 8373 | 021 300 8373 |
| United Kingdom | London | +44 20 3695 9794 | 020 3695 9794 |
| United States | New York | +1-917-979-5207 | 917-979-5207 |
| Singapore | +65 3163 1122 | 3163 1122 | |
| Hong Kong | +852 5808 2993 | 5808 2993 | |
| Australia | Sydney | +61 28417 2761 | (02) 8417 2761 |
| Germany | +4932221091975 | ||
| Mexico | Cancun | +529989800859 |