To use inumber, choose your closest city or area code (the service has roughly two dozen of them), then specify how long you want the number to last: an hour, a day, or a week.
Next, enter your real phone number, which is where inumbr will forward incoming calls. You’ll also need to supply an e-mail address in order to activate the temporary number.
Once you’ve done that, you can log into the service and access a wealth of options, including extending the expiration date, adding a second number (in case you can’t be reached at the first one), and even checking voicemail.
All this is free, believe it or not, making inumbr a must-bookmark site.
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