Contact lists are messy. Some numbers start with 0, others with 256 or +256. There are spaces, dashes, duplicates, and numbers with a digit missing. Every bad number is a wasted SMS or a failed delivery, and every duplicate means paying twice to reach the same person.
Our new free phone number cleaner fixes that in seconds.
What it does
- Turns 0772 123 456, +256 772-123-456 and 256772123456 into one clean format.
- Removes duplicates and tells you how many it found.
- Lists every invalid number with the reason, so you can fix it: too short, too long, or not a mobile number.
- Flags numbers that Excel has turned into scientific notation, like 7.72E+08, where the digits are already lost.
- For Uganda, shows an estimated split between MTN, Airtel and other networks.
- Lets you choose +256, 256 or 07 format, one per line or comma separated, then copy or download the result.
Your numbers stay private
The cleaner runs entirely in your browser. Your list is never uploaded to our servers, so it is safe to use with customer, member or student lists.
Works in six countries
Uganda, Kenya, Tanzania, Rwanda, Malawi and Zambia. The network split is available for Uganda only, and it is an estimate based on the number's first digits. It does not confirm that a number is active.
What to do next
Clean your list, then write your message with our free SMS templates and check the cost in the SMS calculator. When you are ready, see our pricing, or contact us for a quote on large lists.
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