If you pay $80, $120 or more a month for cell service, you are very likely paying for things you don’t use. The good news: you can often get the same towers, the same coverage and a much smaller bill.
This guide shows you the cheapest cell phone plans that still run on major networks, what they typically cost, and exactly how to switch without losing your number.
Quick answer: The cheapest cell phone plans that use major networks usually come from budget carriers (often called MVNOs) and prepaid brands that rent space on the big three networks. Single-line plans commonly run about $15 to $45 a month depending on data, versus roughly $60 to $90 or more at the big carriers. Prices vary by area and provider, so check current offers and the coverage map for your address before switching.
Why cheap plans can still use big networks
The big three carriers build and maintain the towers. Many smaller companies pay to use that same network, then sell service at lower prices because they spend less on stores, advertising and perks.
These companies are often called MVNOs. If the term is new to you, our upcoming explainer, What Is an MVNO? The Budget Phone Plan Secret, covers it in plain English. The short version: same signal, smaller bill.
Some big carriers also sell their own lower-cost prepaid brands. These can be just as cheap and are worth including in your comparison.
Typical costs: budget plans vs. big-carrier plans
Here are approximate monthly price ranges for one line. Real prices vary by area, provider, promotions, autopay discounts and whether taxes and fees are included.
| Plan type | Typical monthly cost (1 line) | What you usually get |
|---|---|---|
| Budget carrier, low data | $15 to $25 | Limited high-speed data, good for Wi-Fi-heavy users |
| Budget carrier, mid data | $20 to $35 | Several to a few dozen GB of data |
| Budget carrier, unlimited-style | $25 to $45 | Unlimited data, often with slowdowns after a cap |
| Big-three prepaid brand | $25 to $50 | Same network, fewer perks, no long contract |
| Big-three postpaid unlimited | $60 to $90+ | Priority data, perks, device deals |
Multi-line plans cut the per-line price. If you cover several people, see our upcoming guide on how to cut a family cell phone plan bill.
You are often paying for perks you never use, not for better coverage.
How to choose the cheapest plan that actually works for you
Step 1: Check how much data you really use
Open your phone’s settings and look at cellular data use over the last few months. Most people use far less than their plan allows, especially if they are on Wi-Fi at home and work. Our upcoming guide, How Much Phone Data Do You Actually Need?, goes deeper.
Step 2: Check coverage at your address
Because budget plans run on major networks, coverage is often similar to the big carrier. Still, use the provider’s coverage map and test your home, workplace and regular routes. Ask friends or neighbors who use the same network how it performs in your area.
Step 3: Compare the full monthly cost
Advertised prices can leave out taxes, fees or the price after a promotional period ends. Look for the price after the first year and whether autopay is required. Our guide on why your phone bill is higher than the plan price explains the extras.
Step 4: Watch for tradeoffs
Cheaper plans can mean lower priority when towers are crowded, limited hotspot data, fewer international options and less in-person support. If you rarely hit those limits, you will not miss them.
Prepaid vs. postpaid: which is cheaper?
Prepaid means you pay up front each month and usually skip credit checks and long contracts. Postpaid means you are billed after use, often with a device payment plan attached.
For most people trying to save, prepaid is the cheaper path. You get more control and fewer surprise charges. See our upcoming roundup of the best prepaid phone plans for ways to compare.
If you are 65 or older, there are often plans tailored to lighter use. Watch for our guide to cheap phone plans for seniors.
Money move: Before you shop, pull up your last bill and list every line, device payment and add-on. Then price out the same lines on a budget carrier using your actual data use. Many households find a gap of $20 to $60 a month or more, though results vary.
How to switch without losing your number
- Check your phone. Confirm it is paid off or find out what you owe. Many phones need to be unlocked to work on another carrier. See our upcoming guide on how to unlock your phone.
- Confirm compatibility. Most new providers have a tool where you enter your phone’s model or IMEI number (a unique ID you can find by dialing *#06#).
- Pick a plan and sign up first. Do not cancel your old service yet. Ask the new provider to transfer your number.
- Get your account number and transfer PIN. Your old carrier can provide these. You will need them to port your number.
- Let the new provider complete the transfer. Your old service should end automatically when the number moves. Keep an eye out for a final bill.
- Check for leftover charges. Confirm there are no remaining device payments, early fees or autopay still active.
For more detail, see our upcoming walkthrough on how to switch carriers and keep your number.
Sign up with the new provider first, then let them move your number. Never cancel first.
Not ready to switch? Try lowering your current bill
If you owe money on a phone or are happy with your carrier, you can still trim your bill. Call and ask about lower-priced plans, remove lines you don’t use, and drop add-ons like device protection if the math doesn’t work. Our upcoming cell phone bill negotiation script gives you word-for-word language.
For a broader approach, start with How to Lower Your Cell Phone Bill: The Complete Guide and our scripts, timing and tactics for negotiating bills.
You can also run your numbers with our free Cell Phone Plan Savings Calculator to see what a cheaper plan might save you each year.
Help is available if money is tight
The federal Lifeline program can lower the cost of phone or internet service for eligible low-income households. Eligibility often depends on income or participation in certain assistance programs. To confirm current rules and apply, visit the official Lifeline site run by the Universal Service Administrative Company, contact your state’s program office, or dial 211 to be connected with local help.
For other programs that can ease your household budget, see Help Paying Bills: Every Program Worth Knowing. You can also browse more savings ideas in our Cell Phone Bills category.
Bill Reduction Institute is an independent publication. We may earn referral fees from some partners, which never changes our advice to compare options and pick what fits your budget.
Paying too much for your phone plan?
Tell us what you pay now and we will follow up with ways to lower it, from do-it-yourself steps to vetted partner offers. Free, with no obligation.
Thanks, we have it.
We will look at what you pay and follow up soon. Meanwhile, try our free negotiation script builder.
Key takeaways
- Budget carriers and prepaid brands often use the same major networks for much less.
- Single-line plans commonly cost about $15 to $45 a month, versus roughly $60 to $90+ at big carriers.
- Check your real data use and your coverage map before you pick a plan.
- Sign up with the new provider first, then transfer your number.
- Lifeline and other programs may help eligible households. Confirm details with official sources.
Frequently asked questions
What is the cheapest cell phone plan that uses a major network?
Plans from budget carriers that rent space on the big three networks are usually the cheapest. Single-line plans with limited data often run roughly $15 to $30 a month, while unlimited-style plans commonly run $25 to $45 or more. Prices vary by provider, promotions and where you live, so compare current offers before you switch.
Will a cheap plan have worse coverage than the big carriers?
Not necessarily. Budget plans on a major network use the same towers, so coverage is often the same or very close. The tradeoff is usually lower priority during congestion, fewer perks, and sometimes slower speeds in crowded places. Check the coverage map for your home, work and commute before you commit.
Can I keep my phone number and my phone if I switch?
In most cases you can keep your number, and many phones work on other carriers if they are paid off and unlocked. If you still owe money on the phone, ask your current carrier about the payoff balance and any unlock rules. Confirm compatibility with the new provider before you cancel anything.
Are prepaid plans really cheaper than postpaid plans?
Often, yes. Prepaid plans usually skip credit checks and long contracts, and the monthly price tends to be lower for the same amount of data. The tradeoff can be fewer extras, like bundled streaming perks or phone trade-in deals. Compare the full monthly cost including taxes and fees, not just the advertised price.
Is there help paying for a phone plan if money is tight?
Yes. The federal Lifeline program can lower the cost of phone or internet service for eligible households. Eligibility rules and amounts can change, so confirm details at the official Lifeline site run by the Universal Service Administrative Company, your state’s program office, or by calling 211.