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Use Your Existing Phone Number with Blacktel

Verify an eligible mobile, landline or fax number and use it as a supported outbound sender without transferring the number to Blacktel.

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What adding your existing number means

Blacktel lets eligible users verify a number they already control and select it as a sender for supported outbound activity. The number remains with its current provider and is not ported or transferred to Blacktel.

Important: outbound use only

An added existing number does not receive incoming calls, SMS or fax through Blacktel. Choose a virtual number with the required capabilities if you need inbound service.

Browse available virtual phone numbers »

Supported number types

Mobile number

Verify an eligible mobile number for supported outbound calls or SMS. Availability and sender behavior depend on the destination and provider routing.

Landline number

Verify an eligible fixed-line number for supported outbound caller identification. SMS support is not implied by a landline number.

Fax number

Verify an eligible fax number for supported outbound fax sending. Incoming fax is not delivered to the added device through Blacktel.

How verification and setup work

  1. Sign in with an eligible Blacktel account. Adding an existing device requires account Level 2 or higher.
  2. Choose whether you are adding a mobile, landline or fax number.
  3. Enter a number that you control and that matches the selected device type.
  4. Complete the supported ownership-verification step using the code sent by SMS, call or fax.
  5. After successful verification, select the number for supported outbound calls, messages or fax.

Existing number or Blacktel virtual number?

The two options serve different purposes. Choose according to whether you need an outbound sender or a number with Blacktel-managed inbound capabilities.

Your existing verified number

  • The number and its original service remain with your current provider.
  • It can be selected for supported outbound activity after ownership verification.
  • Blacktel does not receive incoming calls, SMS or fax for this number.
  • There is currently no separate device-rental charge, but usage rates may apply.

Blacktel virtual number

  • The number is supplied through Blacktel according to current country and number inventory.
  • Inbound and outbound capabilities depend on the selected number and service.
  • Activation, rental, renewal and usage charges may apply.
  • Identity, address or business documents may be required for regulated numbers.
Phone number guide »

Pricing and usage charges

Registering an eligible existing number currently has no separate number-rental charge. Outbound calls, SMS and fax remain subject to the displayed usage rates, and pricing can vary by destination and direction.

View phone number pricing »

Requirements and responsible use

Only add a number you are authorized to use. Verification and routing controls protect customers, recipients and telecommunications networks.

  • Your Blacktel account must be Level 2 or higher.
  • You must prove control of the number through the available verification method.
  • Temporary, unsupported and Blacktel-issued numbers cannot be registered as your own device.
  • Caller-ID display and SMS or fax delivery can vary by provider, destination and anti-spam rules.

No Spam Policy »

Use the right number for your purpose

Add an eligible number you already control for supported outbound use, or browse virtual numbers when you need inbound calls, SMS or fax.

Create account Browse available virtual phone numbers