Choosing a phone plan in the US can feel confusing. There are several large networks, many smaller brands that use those networks and a long list of plan names, perks and promotions. Two plans that look almost identical in an advert can work out very differently once you read the details.

This guide gives you a simple checklist for comparing plans. It is written as of October 2026. Carriers change their plans and prices often, so we do not quote prices here. Where cost matters, check the current price on the carrier's official website.

Step 1: understand your own usage

Before you look at any offer, think about how you actually use your phone.

  • Data. How much mobile data do you use in a typical month? Your phone's settings usually show recent usage. Look at a few months to get a fair picture.
  • Calls and texts. Most plans now include unlimited talk and text within the US, but check if you call or text other countries often.
  • Hotspot. Do you use your phone as a hotspot for a laptop or tablet? Hotspot allowances vary between plans.
  • Travel. Do you travel to Mexico, Canada or further abroad? Some plans include international features and others charge extra.
  • Lines. Are you buying for yourself or for a family? Multi line plans often price each line differently.

Knowing your needs helps you avoid paying for features you will never use, or picking a plan that runs out too soon.

Step 2: check coverage where it matters

Coverage is the most important factor for many people. A plan is only useful if it works where you need it.

In the US, the three largest networks are run by Verizon, T-Mobile and AT&T. Many other brands, including some well known prepaid carriers, use one or more of these networks. Some carriers, such as Boost Mobile, have their own arrangements, so always check how each one works.

To check coverage:

  1. Use each carrier's official coverage map and enter your home address, workplace and places you visit often.
  2. Ask friends, family or neighbours which carrier works well for them in your area.
  3. If possible, try a carrier for a short period before committing, for example with a prepaid plan or a trial if one is offered.

Coverage maps are a helpful guide, but real world signal can vary inside buildings and in rural areas.

Step 3: know the type of plan

Plans generally fall into two groups.

  • Postpaid plans are billed after you use the service, usually monthly. They often include more perks and may offer phone deals, but they may require a credit check.
  • Prepaid plans are paid in advance. They usually do not need a credit check and can be simpler, though perks and phone deals may differ.

We explain the differences in more detail in our guide to prepaid and postpaid plans.

Step 4: compare the real monthly cost

The advertised price is a starting point, not the full picture. When you compare plans, look for:

  • Taxes and fees. Some prices include them and some do not. Check the plan's details.
  • Autopay and paperless discounts. Some advertised prices assume you sign up for autopay. Find out the price without it as well.
  • Per line pricing. For families, the price per line often changes as you add lines.
  • Add ons. Insurance, extra hotspot data or international features can increase the total.
  • Promotional periods. Some prices only apply for a limited time. Check what the plan costs after the promotion ends.

Here is a simple worksheet you can use. We have left the prices blank on purpose.

Item Carrier A Carrier B
Base plan per month Check current price Check current price
Taxes and fees Check current price Check current price
Autopay discount Check current terms Check current terms
Add ons you need Check current price Check current price
Total per month Add up your figures Add up your figures

Step 5: read how unlimited really works

Many plans are called unlimited, but the details vary. Look for:

  • Priority data. Some plans give your data lower priority when the network is busy, which can slow speeds at times.
  • Video quality. Some plans limit video streaming quality unless you pay more.
  • Hotspot limits. High speed hotspot data is often capped.

These terms are usually in the plan's details or the carrier's network management policy.

Step 6: look at the phone side separately

If you are buying a new phone with a plan, compare the phone deal separately from the plan itself. A big discount on a phone may be tied to a more expensive plan or a long commitment. Our guide to reading phone deals explains trade ins, bill credits and financing in more detail.

Step 7: check contracts and commitments

Ask whether there is any commitment:

  • Do you need to stay for a certain number of months to keep a discount?
  • What happens to any remaining phone balance if you leave early?
  • Are there activation or upgrade fees?

A quick checklist

Before you sign up, run through this list:

  • My usage needs are clear.
  • Coverage works where I live, work and travel.
  • I know whether the plan is prepaid or postpaid.
  • I have checked the current price, including taxes, fees and autopay terms.
  • I understand how unlimited data and hotspot work on this plan.
  • I know what happens if I want to leave.

Compare on your terms

The best plan is the one that matches how you use your phone, works where you need it and fits your budget once every cost is included. Use this checklist, check current prices directly with each carrier and take your time. A few minutes of reading can save a lot of frustration later.