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At a glance
- 10 lines: $300 (Standard), $400 (Advanced) or $500 (Premium) a month.
- 25 lines: $625, $875 or $1,125 a month at the 25–50-line rates.
- Bank-account AutoPay earns $10 per line; debit card $5; credit card $0.
- Rates apply to phones bought outright, financed or brought by the customer. Checked September 27, 2026.
Three plans, three team sizes
The figures below use AT&T’s regular published 3.0 rates with eligible AutoPay and paperless billing and eligible smartphone pricing. They exclude device payments, taxes, fees and temporary new-line promotions.
Swipe or scroll sideways to compare all options.
| Cost or feature | Standard 3.0 | Advanced 3.0 | Premium 3.0 |
|---|---|---|---|
| 5 phones: monthly service total | $150 ($30/line) | $200 ($40/line) | $250 ($50/line) |
| 10 phones: monthly service total | $300 ($30/line) | $400 ($40/line) | $500 ($50/line) |
| 25 phones: monthly service total | $625 ($25/line) | $875 ($35/line) | $1,125 ($45/line) |
| Hotspot per phone | 5GB | 100GB | 300GB |
| After hotspot allowance | Maximum 128Kbps | Maximum 128Kbps | Maximum 128Kbps |
| Phone-data priority distinction | Possible congestion slowing after 5GB | Unlimited premium data under current plan terms | Unlimited premium data; Turbo included |
| Maximum advertised video tier | SD | HD, with relevant setting changed | Up to 4K when available |
| International Day Pass benefit | Separately priced | Separately priced | Up to 7 included days per line per bill; activation and destination conditions apply |
| Main limitation / extra cost | 5GB hotspot is the main constraint; excess use slows to 128Kbps | At five lines, costs $50/month more than Standard | At five lines, costs $100/month more than Standard; travel benefit has destination and activation conditions |
| Best fit (Sigma assessment) | Most employees work on Wi-Fi and rarely tether laptops | Employees regularly work through a phone hotspot | Employees need up to 300GB hotspot or the qualifying travel benefit |
| Official sources | AT&T: Unlimited Your Way for Business: current 3.0 plan terms | AT&T: Unlimited Your Way for Business: current 3.0 plan terms | AT&T: Unlimited Your Way for Business: current 3.0 plan terms |
Monthly totals are Sigma calculations from AT&T’s published per-line rates. They are not independent negotiated quotes. The 25-line discount does not imply that buying unnecessary lines is economical.
The upgrade decision in dollars
Moving ten phones from Standard to Advanced adds $100 a month, or $1,200 annually. Moving all ten again to Premium adds the same amount. The better question is which employees will use the additional allowance or travel benefit.
An illustrative ten-phone mix of eight Standard lines and two Advanced lines would total $320 a month at the listed 4–24-line rates, assuming AT&T confirms those lines qualify together. That is $80 below putting all ten on Advanced. The savings come from assigning the right tier, not cutting the allowance of people who actually need it.
At 25 phones (the 25–50-line tier), the published Standard rate is $25 instead of $30. The total is still $625 a month. If your business has 24 phones, compare its actual $720 Standard total with the cost and purpose of an additional line before making a change; confirm qualification and account grouping in writing. Do not treat a price threshold as a reason to accumulate unused subscriptions.
What Standard leaves out
The 5GB hotspot allowance can suit occasional use, but it is small relative to the 100GB and 300GB alternatives. The remaining 128Kbps connection is a restricted fallback. It should not be represented to employees as equivalent to the high-speed allowance.
Standard’s phone-data congestion rule is separate from its hotspot cap. A business can have unlimited data volume while still facing a lower priority or reduced speed. That distinction matters for staff who rely on phone apps during busy periods, even when they rarely connect a laptop.
Premium’s travel benefit also needs careful interpretation. Seven included International Day Pass days do not mean unlimited international travel at no extra cost. The feature must be active, the destination must qualify, and additional days can incur charges. Calling another country from the United States is a different service from using the phone while abroad.
Billing conditions to keep in the comparison
AT&T’s largest listed automatic-payment discount requires a bank account plus paperless billing. Its terms give a smaller discount for debit-card AutoPay and no corresponding discount for credit-card AutoPay. A purchase order that says only “AutoPay included” is incomplete.
The regular rates also assume the eligible phone pricing described in the brochure. Smartphones under a service commitment have different charges. Device installment plans and service commitments should not be treated as the same thing. Add financed devices, accessories, insurance and activation costs separately so the service comparison remains readable.
Temporary online credits can make a higher tier look cheaper than Standard. If using one, show its required new lines, device purchase, credit duration and price after the credit stops. The table deliberately uses regular rates to keep the long-term comparison clear.
Build the order around roles
Review recent usage by employee rather than dividing the account’s total data evenly. Two people can account for most tethering while everyone else stays on office Wi-Fi. Check upcoming travel and seasonal assignments as well; a quiet month is not a complete forecast.
For a 5-person business, one administrator can usually review the entire account. At 25 phones, maintain a simple assignment record tying each number to an employee, role and selected tier. Remove subscriptions when staff leave and revisit temporary upgrades after the project ends. These operating choices determine whether the initial comparison keeps delivering value.
What AT&T costs at your team size
Using AT&T’s published 3.0 rates with bank AutoPay and paperless billing, for phones bought outright, financed or brought by the customer:
| Lines | Standard 3.0 | Advanced 3.0 | Premium 3.0 |
|---|---|---|---|
| 5 lines, per year | $1,800 | $2,400 | $3,000 |
| 10 lines, per year | $3,600 | $4,800 | $6,000 |
| 25 lines, per year | $7,500 | $10,500 | $13,500 |
| Same phones on a service commitment | $25 more per line per month on every tier | ||
Sigma calculations from AT&T’s June 11, 2026 plan terms; before devices, taxes and fees.
Questions to ask before you buy
- How many lines qualify together for the 4–24 or 25–50-line rate?
- Which employees need Advanced or Premium, and which can stay on Standard?
- Is AutoPay set up from a bank account (the $10 discount) or a card?
- Are any lines still on older 2.0 plans or expired promotions?
- Which lines have not been used in the last 60 days?
What Hawaiʻi businesses should check
If your team works across islands, check the plan on the islands and sites where you operate before choosing tiers. For accounts already on AT&T, compare your current bill with these rates: older plans, credits that have expired and unused lines are common sources of overspending. Sigma’s wireless fleet review explains that process.
Frequently asked questions
Why not include Verizon and T-Mobile totals here?
This guide answers the team-size question within AT&T’s published rates. The AT&T vs Verizon vs T-Mobile guide compares all three at one line; for a team quote, price all three at your actual line count.
Can Sigma review our current AT&T bill?
Yes. Sigma compares your current lines, plans, devices and credits against current published rates and alternatives, then shows the complete recurring cost of each option before you decide.
Is AT&T cheaper per line with more lines?
Yes. Standard 3.0 falls from $50 for one line to $30 per line at 4–24 lines and $25 per line at 25–50 lines, with qualifying AutoPay and paperless billing.
Sources and pricing notes
Prices and specifications checked September 27, 2026 against the providers’ published sources below. Prices are US list or published rates before taxes, fees and equipment unless stated; offers change, so confirm the current terms before you buy.
How Sigma is paid. Sigma is a Hawaiʻi technology advisor. Provider or reseller partners compensate Sigma; product and service prices may include a margin. No procurement fee applies. Standalone consulting is quoted separately.