Blacktel
How to start my virtual phone?
The first steps with your virtual phone. Read our tutorial on how to start your own virtual phone on Blacktel.io
Blacktel Help Center
Find clear guidance for setting up and using Blacktel virtual numbers, calls, messages, fax, eSIMs, billing and account features.
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All about virtual numbers
Virtual numbers can be used with your virtual phone for calls, messages and fax
Pricing And Plans
Learn more about our pricing as well as our prepaid and subscription plans
Integrate my own devices
You can integrate your own devices to Blacktel to send SMS and make phone calls
Calls, SMS & Fax
Learn how to use our service for Calls, SMS and Fax with your virtual phone
Using features like forwarding and mailbox
Add different features to your virtual phone, such as call forwarding, auto record or a mailbox
Web vs App
Use the Blacktel as App for iOS and Android or within your web browser
Troubleshooting
Prevent common mistakes and learn how to use Blacktel as best
Virtual number for Whatsapp
How to verify WhatsApp with a virtual number using Blacktel virtual phone
Telegram code with virtual number
Receive a Telegram code with a virtual number for your verification
Virtual Number for WhatsApp Business
Create a WhatsApp Business account with your Blacktel
Phone number regulatory
Create bundles to use phone numbers compliantly in many countries of the world
Levels
Update your user level and get higher quota and more features
Services for virtual phone number
Blacktel phone numbers come with different capabilities enabled
Get phone number
How to get phone numbers from countries all over the world. Use virtual phone number for voice, text and fax within Blacktel
Payment Subscriptions
Learn more about payment subscriptions (auto recurring payments) with Paypal, Apple and Google IN-APP subscription or Card
Using Blacktel on multiple devices
Running Blacktel virtual phone on multiple devices such as iOS, Android, Browser or Desktop
Revive deleted phone number
Blacktel will reserve your deleted number for 7 days in case you need it back
Free Phone
Use Blacktel as your daily phone for free calls, free text messages and as free fax.
Free phone number as fallback
Buy one of our US, UK or CA phone numbers and get another number completely free as your fallback number
Second Phone Number
Buy a second number online and use it for Tinder, Facebook, Google and online services
Buy phone number with crypto
Buy second phone numbers with crypto like Bitcoin, Ether, Monero, Cardano
Buy phone number
Buy phone numbers from countries like USA, United Kingdom, Canada for online sms verification
Free virtual numbers vs private numbers
Compare free shared phone numbers and private virtual numbers. Learn how inbox access, number ownership, costs and everyday use differ.
How to receive SMS online with your own number
Receive SMS online in your private Blacktel inbox. Choose an SMS-enabled virtual number, open incoming messages and manage ongoing access.
How to call a mobile phone from your computer
Make phone calls from your computer with Blacktel. Set up your microphone, enter international numbers and compare free and private-number calls.
How to send text messages from a computer
Send SMS text messages from your computer with Blacktel. Choose a sender, enter an international recipient and find replies in your online inbox.
Temporary vs permanent virtual phone numbers
Compare temporary and long-term virtual phone numbers. Understand rental periods, renewal and keeping access to your number and linked accounts.
eSIM vs virtual phone number: calls, SMS and data
Understand the difference between an eSIM and a virtual phone number. Compare mobile data, online calling, SMS and using both while traveling.
Japanese phone numbers: using a number from abroad
Understand Japanese phone numbers, +81 formatting, local and mobile types, activation requirements and using an eligible virtual number from abroad.
German phone numbers: using a number from abroad
Learn German +49 phone number formatting, local and mobile differences, activation requirements and using an eligible virtual number from abroad.
Bumble SMS verification and changing your phone number
Understand Bumble phone verification, SMS and call options, changing your number and keeping account access with an additional login method.
Change your WhatsApp or Telegram number and keep access
Prepare to change your WhatsApp or Telegram number. Follow each app's number-change process, protect chats and update access before releasing the old number.
What is a VoIP number? VoIP vs non-VoIP explained
Understand VoIP, non-VoIP and virtual phone numbers. Compare how calls connect, which features to check and what number classification actually tells you.
SMS vs MMS vs RCS: what is the difference?
Compare SMS, MMS and RCS messaging. Learn how text, pictures, chat features and online SMS inboxes differ before choosing a phone number.
How much mobile data do you need for a week or two abroad?
Plan your travel eSIM data for 7 or 14 days. Compare example daily budgets, check your own usage and allow for maps, video, uploads and hotspot sharing.
Travel eSIM vs roaming: which should you choose?
Compare a travel eSIM with your home carrier's roaming plan. Check total cost, coverage, data, validity and how to keep your usual number active abroad.
How to add a business phone number to Google Maps
Add or update your business phone number on Google Maps through Business Profile. Understand contact-number rules, review and available verification methods.
Toll-free numbers: who pays, and do they work abroad?
Understand toll-free phone numbers, business charges and international access. Compare toll-free and local numbers before choosing your business contact.
International phone number format: +, country codes and E.164
Write phone numbers in international format. Understand the plus sign, country codes, national prefixes and E.164, including when a leading zero stays.
Can you use an eSIM as a hotspot for your laptop?
Share an eSIM data connection with a laptop or tablet. Check hotspot support, choose the data line and understand how tethering uses your allowance.
Keep your WhatsApp number when using a travel eSIM
Use WhatsApp with a travel eSIM while keeping your existing number. Choose the data connection and prepare for any future account verification.
Can you use a travel eSIM on a locked phone?
Check whether your phone can use a travel eSIM. Separate eSIM hardware support from carrier locking and learn the official unlocking checks before buying.
Virtual phone numbers for 2FA: choosing and keeping your number
Choose a virtual phone number for two-factor authentication. Check SMS or call support, keep the number active and prepare backup access for your accounts.
SMS verification code not received: what to check
Missing an SMS verification code? Check the number, SMS support, online inbox and resend timer, then choose the right next step for your account.
Phone-call verification: how to receive your code
Receive a verification code by phone call when the service offers it. Check incoming calls, answer live and follow spoken or keypad instructions.
How to receive verification codes abroad with a travel eSIM
Keep receiving account verification codes while travelling. Separate your registered phone number from travel eSIM data and prepare backup access.
How to use a second phone number without another SIM card
Use a second phone number through an app or browser without adding another SIM. Set up calls and SMS, choose features and understand how it works.
Set up a second number for work and personal calls
Create a separate work contact with a second phone number. Choose calls and SMS, set call handling and keep your personal number for personal contacts.
When should you install and activate a travel eSIM?
Plan when to install and activate your travel eSIM. Check when validity starts, prepare before departure and connect with the right settings on arrival.
eSIM QR code not working or already used: next steps
Troubleshoot an eSIM QR code without deleting a working profile. Check installation, connectivity, manual details and the right support information.
Short-code SMS and virtual numbers explained
Understand short-code SMS, country-specific routing and virtual-number inboxes. Learn what to check when ordinary texts arrive but a verification code does not.
Phone number already in use? Understanding recycled numbers
Understand why a new number may already appear in an account service. Learn about reassigned numbers, previous registrations and appropriate next steps.
Browse Help by Topic
Getting Started
Set up your account, add credits and choose the right Blacktel option.
Virtual Numbers
Learn about number types, capabilities, activation, renewal and country requirements.
Calls, SMS and Fax
Find help with inbound and outbound calls, messages, fax and forwarding.
eSIM
Check device compatibility and learn how to select, install and use an eSIM.
Billing and Renewal
Understand credits, current pricing, prepaid periods, subscriptions and renewal.
Account and Verification
Manage account details, identity levels, regulatory profiles and supported verification.
Troubleshooting
Work through common setup, connection, call and messaging problems.
Popular Guides
View all support guidesHow to start my virtual phone?
The first steps with your virtual phone. Read our tutorial on how to start your own virtual phone on Blacktel.io
Pricing And Plans
Learn more about our pricing as well as our prepaid and subscription plans
Integrate my own devices
You can integrate your own devices to Blacktel to send SMS and make phone calls
Calls, SMS & Fax
Learn how to use our service for Calls, SMS and Fax with your virtual phone
Web vs App
Use the Blacktel as App for iOS and Android or within your web browser
Troubleshooting
Prevent common mistakes and learn how to use Blacktel as best
Virtual number for Whatsapp
How to verify WhatsApp with a virtual number using Blacktel virtual phone
Free phone number as fallback
Buy one of our US, UK or CA phone numbers and get another number completely free as your fallback number
Second Phone Number
Buy a second number online and use it for Tinder, Facebook, Google and online services
Buy phone number with crypto
Buy second phone numbers with crypto like Bitcoin, Ether, Monero, Cardano
Buy phone number
Buy phone numbers from countries like USA, United Kingdom, Canada for online sms verification
Contact Blacktel Support
Still need help? Contact Blacktel or, when signed in, review your tickets and submit a support request.
Getting Started with Blacktel
Watch a short introduction to Blacktel before exploring the detailed support guides.
Blacktel Applications
Access Blacktel in your browser or download an available mobile or desktop application.
