SmartLine™ Second Phone Number App
One phone. Two numbers.
1 month free trial, then $11.99/mo. Cancel anytime.
Get your new numbers up and running in 5 minutes
Manage your small business- anytime, anywhere


Your personal number stays private.

All customer communications in one place.

No extra equipment

Improve work-life balance
Separate your business and personal number.
Display your business number.
When you call a client using SmartLine, your second phone number shows on their Caller ID, so your personal number stays private.
Send and receive texts.
Not everyone wants to talk on the phone. Now, you can text from your SmartLine number so your personal number stays private.
No equipment. No contracts. No hassle.
Works everywhere your phone does.
SmartLine uses your current cellular signal to make and receive calls, so the quality and reliability is every bit as good as your personal calls.
No new equipment to buy.
SmartLine is an app for iOS and Android smartphones, so it works perfectly with the phone you already have.
No expensive phone contracts.
Get a dedicated business phone number with the features of a professional phone system – all with an app on your smartphone.
Build your professional image.
More than just a number.
Your second phone number also includes its own customizable voicemail box, so even missed calls go to the right place.
Set business hours.
Choose when you want to accept business calls. After hours, calls roll to your professional business voicemail.
Frequently asked questions about SmartLine
Can I use the app with either an iOS or Android phone?
How good is the call quality with SmartLine?
Can I send text messages from my SmartLine number?
What happens if I go over my monthly allotment?
Can I make and receive calls from outside the U.S.?
As a resident of California, how do I get answers for SmartLine billing questions?
If you believe there is an error on your SmartLine bill or have a question about your service, please call us at 1-480-366-3546.
If you are not satisfied with GoDaddy’s response, submit a complaint to the California Public Utilities Commission (CPUC) by visiting https://www.cpuc.ca.gov/complaints/|cpuc. Billing and service complaints are handled by the CPUC’s Consumer Affairs Branch (CAB), which can be reached by the following means if you prefer not to submit your complaint online:
Telephone: (8:30 AM to 4:30 PM, Monday through Friday)
Mail: California Public Utilities Commission, Consumer Affairs Branch,
505 Van Ness Avenue, Room 2003, San Francisco, CA 94102
If you have limitations hearing or speaking, dial 711 to reach the California Relay Service, which is for those needing direct assistance relaying telephone conversations, as well their friends, family, and business contacts. If you prefer having your calls immediately answered in your mode of communication, dial one of the toll-free language-specific numbers below to be routed to the California Relay Service provider.
TTY/VCO/HCO to Voice
English: 1-800-735-2929
Spanish: 1-800-855-3000
Voice to TTY/VCO/HCO
English: 1-800-735-2922
Spanish: 1-800-855-3000
From or to Speech-to-Speech
English & Spanish:1-800-854-7784
To avoid having service turned off while you wait for the outcome of a complaint to the CPUC specifically regarding the accuracy of your bill, please contact CAB for assistance. If your case meets the eligibility criteria, CAB will provide you with instructions on how to mail a check or money order to be impounded pending resolution of your case. You must continue to pay your current charges while your complaint is under review to keep your service turned on.
To avoid having service turned off while you wait for the outcome of a complaint to the CPUC specifically regarding the accuracy of your bill, please contact CAB for assistance. If your case meets the eligibility criteria, CAB will provide you with instructions on how to mail a check or money order to be impounded pending resolution of your case. You must continue to pay your current charges while your complaint is under review to keep your service turned on.
Can my second phone number be toll free?
Can I use my current number with the SmartLine app?
Can I get a second phone number for personal use?
Does SmartLine use my phone plan’s minutes?
Does SmartLine use WiFi for calling?
Is SmartLine a VoIP (Voice Over Internet Protocol) phone service?
* View Product limitations and legal policies
Third-party logos and marks are registered trademarks of their respective owners. All rights reserved.
* SmartLine is currently available in the United States only.
Forward calls to any U.S. phone number only.
Unlimited minutes and texts based on Fair Usage policy up to 2,000 minutes and 2,000 texts per month.