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Voice

The complete guide to porting your business numbers

Keep the numbers your customers know. Here is exactly how porting works and how to avoid downtime.

August 8, 20264 min read

Number porting transfers your existing phone numbers from one carrier to another. You keep the number; only the provider behind it changes.

You will need a recent bill from your current provider and a signed letter of authorization. Make sure the name and address match exactly.

Do not cancel your old service until the port completes. We schedule the cutover for a quiet time so callers never notice.

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Switch to Altaris and keep every number you already have.

Free number porting, white-glove onboarding and a 30-day money-back guarantee. Most teams are live the same day.

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