Keep Your Phone Number
When You Switch to On-VoIP
Port your existing phone number to On-VoIP for free. We handle the entire transfer process — your number, your contacts, your business identity — all preserved. Typically completes in 7-10 business days.
How Number Porting Works
Sign Up
Create your On-VoIP account and choose a plan. Select "Port my number" during signup.
Submit LOA
Fill out the Letter of Authorization with your current account details. Takes 2 minutes.
We Handle It
On-VoIP submits the port request and coordinates with your current carrier on your behalf.
Port Complete
Your number transfers to On-VoIP. Your old service cancels automatically. Start calling!
What You Need to Port Your Number
Have this information ready when you sign up to make the porting process as fast as possible.
Phone Number
The phone number(s) you want to transfer to On-VoIP.
Account Name
The name on your current phone service account exactly as it appears.
Account Number
Your account number with your current carrier.
Service Address
The address registered with your current phone provider.
PIN or Password
Account PIN or transfer PIN from your current carrier (if applicable).
Letter of Authorization
We provide the LOA form — just fill it out and sign electronically.
Port From Any Carrier
On-VoIP accepts number ports from all major US carriers and VoIP providers.
Types of Numbers We Port
On-VoIP supports porting for virtually all US phone number types.
Local Numbers
Port any local phone number from any area code in the United States. Home phone, business line, or cell number.
All PlansMobile Numbers
Transfer your mobile phone number to use as your VoIP line. Works with all major wireless carriers.
All PlansToll-Free Numbers
Port 800, 888, 877, 866, 855, 844, and 833 toll-free numbers. Available on Business plans at $1.00/month + E911 & Caller ID fees.
Business PlanPort Your Number to On-VoIP Today
Keep your phone number, save money, and get better service. Free number porting with every On-VoIP plan. No contracts — cancel anytime.
Number Porting FAQs
Common questions about transferring your phone number to On-VoIP.