How to Port a Phone Number and Save Hundreds
The complete guide to carrier port-in promotions — from understanding carrier families to walking out of the store with a free phone.
What is Number Porting?
Number porting is the process of moving a phone number from one carrier to another. When you "port in" a number to T-Mobile, Verizon, or AT&T, you're bringing an existing number from a different carrier — and that's exactly what triggers their best switch deals.
Carriers want to win customers from their competitors. To incentivize switching, they offer free phones, bill credits, and trade-in bonuses worth $200 to $1,300+. The key requirement? You must port a number from a different carrier family.
The FCC guarantees your right to port any active phone number between carriers. This process typically takes 15-30 minutes at the carrier store. The carrier deactivates the number on the old account and activates it on the new one — and because you're "switching," you qualify for their promotional pricing.
What You Need to Port a Number
To complete a port-in, the new carrier needs to verify that the number you're bringing is real, active, and belongs to a competing network. This prevents fraud and confirms you're genuinely switching — which is the whole basis for the promotional offer.
Every port-in requires three pieces of information:
You can get these details from your current carrier (call customer service or check your online account), or you can purchase a ready-to-use port number from a provider if you don't want to use your own personal number.
The 4-Step Process
Pick Your Carrier
Choose which carrier family your port number comes from (based on which carrier deal you want).
Get a Port Number
Get a verified port number from the right carrier family for just $14. Phone number, account number, and PIN delivered to your email in minutes.
Get Your Port Number →Visit a Carrier Store
Tell the rep you want to "port in" a number. Give them the number, account number, and PIN.
Save Hundreds
The carrier applies the switch deal. Save up to $800+ on phones, bill credits, and trade-in bonuses.
Understanding Carrier Families
This is the most important concept to understand. Carriers are grouped into families — carriers that share the same parent network. You cannot port within the same family and still qualify for switch deals.
For example, T-Mobile owns MetroPCS and Boost Mobile. A MetroPCS number won't work for a T-Mobile deal because they're in the same family. You'd need a number from Verizon, AT&T, or Cricket instead.
Quick reference: Which number do I need?
Switching to T-Mobile, Metro, or Boost? Get a Verizon, AT&T, or Cricket number.
Switching to AT&T or Cricket? Get a Verizon, T-Mobile, Metro, or Boost number.
Switching to Verizon? Get a T-Mobile, AT&T, Cricket, Metro, or Boost number.
What Happens at the Carrier Store
Once you have your port number details, head to the carrier store. Here's what to expect:
Tell the rep you want to port in a number. Say you'd like to open a new line and port in an existing number from another carrier. Don't mention "port number" or "buying a number" — just say you're switching from the carrier name on your port details.
Provide the porting details. The rep will ask for the phone number, account number, and PIN. Have these ready before you arrive.
Choose your phone and plan. The rep will walk you through available phones and plans that qualify for the promotion. Make sure the plan you select meets the deal's requirements — some promos require specific plans.
Confirm the promo is applied. Before completing the transaction, ask the rep to confirm the promotional credits are showing on the account. You should see the bill credit or device discount reflected in the system.
The entire process typically takes 20-40 minutes. You walk out with your new phone (or device on order) and the promotional credits applied to your account.
Common Mistakes to Avoid
Using a number from the same carrier family
Double-check the carrier family chart above. A MetroPCS number won't work for a T-Mobile deal — they're the same family.
Waiting too long to use the number
Port numbers are valid for up to 5 days. Visit the carrier store within that window to ensure the number is still active.
Not verifying the promo before leaving the store
Always ask the rep to confirm the promotional credits are applied before you leave. It's much harder to get credits applied after the fact.
Choosing a plan that doesn't qualify
Some deals require specific plans (like T-Mobile's Experience Beyond). Ask the rep which plans qualify for the promotion before signing up.
Canceling the line too early
Bill credits are spread over 24-36 months. If you cancel the line before the credits are fully applied, you lose the remaining balance. Keep the line active for the full credit period.
How Long Does the Entire Process Take?
From clicking "order" to walking out of the store with your new phone, the entire process can be done in under an hour — and you'll have saved anywhere from $200 to $1,300.
Frequently Asked Questions
Is this legal?
Yes. Number porting is a legal right protected by the FCC. Carriers are required to allow number transfers between providers.
How fast is delivery?
If using a port number provider, most deliver the details to your email in 5-15 minutes. If porting your own number, you can get your account number and PIN from your current carrier immediately by calling or checking online.
How long is the number valid?
Numbers are valid for up to 5 days after delivery. Use it at a carrier store within that window.
What do I do at the carrier store?
Tell the store rep you want to "port in a number" to activate your new line. Give them the phone number, account number, and PIN. They'll process the switch and apply the promotional credits.
Do I lose my current phone number?
No. The port number you purchase is a separate number used to activate a new promotional line. Your personal number stays on your existing account, or you can transfer it separately.
What if the carrier rejects the port?
Port rejections are rare but can happen if the number has already been used or if the carrier has a temporary system issue. If you purchased from a port number provider, most offer free replacements. If porting your own number, contact your current carrier to verify your account number and PIN are correct.
Can I use this for an existing line or only new lines?
Most carrier promotions require adding a new line with a port-in number. Some carriers offer upgrade deals for existing customers, but the biggest discounts are almost always for new lines activated with a ported number.
How do bill credits work?
Most free phone deals are applied as monthly bill credits over 24-36 months. You may pay for the phone upfront or in installments, but the carrier reimburses you each month. If you cancel the line early, remaining credits stop.
Learn More
See which phones carriers are giving away right now and exactly how to qualify.
A deeper look at what port numbers are, how they work, and why carriers require them.
Compare which carriers offer the best incentives for new customers who port in.
Browse all current switch carrier deals across T-Mobile, Verizon, AT&T, and more.
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