Using the form below, you can check the coverage of the Three 3G network in your area. Only a valid postcode is needed. You will receive information about the coverage and the signal strength of the Three 3G network for the postcode that you provide.
This coverage checker is free to use. We also provide coverage checker API for the same functionality. Alternatively, you can text your postcode to 88588 (Free) for the coverage information.
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