AT&T's Build-A-Plan now lets you bundle home internet with its modular mobile service, adding either AT&T Fiber or the fixed-wireless AT&T Internet Air starting at $35 a month. The home-internet add-on goes live July 7 for both new customers and existing Build-A-Plan subscribers, giving budget-minded users a single place to stack phone and broadband service.

What is being added to Build-A-Plan

Starting July 7, customers eyeing Build-A-Plan, along with those already subscribed, can add AT&T Fiber or AT&T Internet Air, the company's fixed wireless option, onto their mobile plan. Either service starts at $35 for the add-on with autopay discounts applied, plus taxes and fees.

Here is how the two options break down:

  • AT&T Internet 300 (fiber): up to 300Mbps; also $35 if purchased separately.
  • AT&T Internet Air (fixed wireless): normally $55 a month, with typical download speeds of 90 to 300Mbps.

Both options depend on availability in your area, so actual access will vary by address. For readers comparing carriers, it is a notable expansion of AT&T's budget mobile plans.

How the base plan works

AT&T introduced Build-A-Plan in May as a way to attract new customers who bring their own unlocked, eSIM-capable phone. The entry tier starts at $15 a month plus taxes and fees and includes unlimited talk and text along with 1GB of high-speed data.

From there, the plan is modular. You can add premium data, including unlimited data suitable for HD or 4K video streaming, as well as hotspot data, for extra cost. Customers can also change their mix of high-speed and hotspot data month to month, which is the whole appeal of a build-it-yourself approach.

The fine print on home internet

Unlike the flexible mobile side, the home-internet option is designed to be more permanent. You can cancel it, but there is a catch worth knowing before you sign up.

  • Any network hardware must be returned within 21 days of cancellation.
  • Fail to return it in time and you will owe a $200 fee, according to an AT&T spokesperson.

That makes the internet add-on less of a casual, switch-monthly choice and more of a commitment, so it is worth being sure fiber or fixed wireless is available and reliable at your address first.

Why carriers are bundling again

AT&T's move reflects a broader industry trend toward simpler, combined mobile and home-internet packages. Rivals are chasing the same customers from different angles.

Verizon introduced its Verizon One bundle in June at $70 a month with taxes and fees included. Xfinity approaches it in reverse, requiring home internet before you can add mobile service, and rolled out cheaper phone plans in April. The common thread is clear: carriers believe customers want fewer bills and less complexity, and modular bundling is their answer. It is a shift worth watching across the wider telecom business.

Frequently asked questions

How much does AT&T Build-A-Plan home internet cost?

The add-on starts at $35 a month with autopay discounts, plus taxes and fees, for either AT&T Fiber (Internet 300) or AT&T Internet Air.

When does the home internet option launch?

It becomes available July 7 for new customers and existing Build-A-Plan subscribers, subject to availability in your area.

Is there a penalty for canceling?

You can cancel, but you must return any network hardware within 21 days or pay a $200 fee, per an AT&T spokesperson.