Phone Numbers
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E911 Emergency Service
Learn how to enable 911 calling on your phone number and register your address so that you can make emergency calls to your local dispatchers.
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411 Directory
Learn how to register your Telzio phone service with 411 directory.
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Caller ID (CNAM)
Learn how to customize the caller ID of your Telzio phone number with CNAM.
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Getting Numbers
Learn how to get a business phone number from Telzio. Browse local, toll free, and international phone numbers from 60 countries.
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Porting Numbers
Learn how to port your existing phone numbers to Telzio. Porting can be completed without downtime to your phone service.