Family plans are not one price. The per-line cost drops as you add lines, but the drop point and the floor vary by carrier. T-Mobile prepaid and AT&T prepaid hit their best per-line price at three to four lines. Visible and World Mobile are flat per-line at any count: $25 and $40 respectively. Mint Mobile is $15 for 5GB but bills quarterly per line. Cricket is around $45 on AT&T with multi-line discounts. The cheapest total household bill depends on your line count and how much data each line actually uses.
At two lines, the cheapest real totals are Visible at $50 ($25 each), World Mobile at $80 ($40 each), and Mint at $30 ($15 each for 5GB, billed $90 per line per quarter). T-Mobile prepaid is $100 ($50 each with 50GB fast data and a 5 year price lock). Cricket is around $90 on AT&T. If both lines use under 5GB, Mint is the lowest bill. If either needs unlimited, Visible or World Mobile wins on simplicity and total cost.
At three lines, T-Mobile prepaid and AT&T prepaid promos often drop to $30 to $40 per line. Visible stays $75 total ($25 each). World Mobile stays $120 total ($40 each). Mint is $45 ($15 each, billed quarterly). The per-line gap narrows. The difference is flexibility: Visible and World Mobile are month to month, no credit check, no prepay. Mint requires quarterly billing. T-Mobile and AT&T promos may require AutoPay and can change.
Four lines is where T-Mobile and AT&T prepaid promos advertise their lowest per-line prices, often $25 to $30 per line. Visible is $100 total ($25 each). World Mobile is $160 total ($40 each). Mint is $60 total ($15 each, quarterly). If you can commit to AutoPay and the promo terms, the big-carrier multi-line price can match or beat Visible. But the promo expires, the fee stack grows, and the single-line fallback is expensive. Flat pricing that never expires is the safer multi-year bet.
Past four lines, big-carrier per-line discounts flatten. Visible stays $25 per line. World Mobile stays $40 per line with two networks, VPN, and free international calling. Mint stays $15 per line quarterly. The total household bill scales linearly with flat pricing. A six-line household at $110 postpaid per line ($660/month) moves to World Mobile at $240/month and saves $420/month, $5,040/year. No contract, no credit check, keep every number.
World Mobile is a carrier building its own network (Reno HQ, Northern Nevada in-house launch March 2026, 3M+ subscribers globally, CNN/CNBC/GSMA press). It runs on T-Mobile or AT&T, whichever has the stronger signal in your area, plus in-house network where deployed. $40 flat per line at any count. No contract, no credit check, instant eSIM, built-in VPN, free calling to 60 countries. For a family spread across different coverage zones, the dual-network fallback means each line gets the stronger signal automatically.
Typical postpaid family of four: $70 to $110 per line after taxes and add-ons, $280 to $440 a month. World Mobile four lines: $160 flat. Save $120 to $280 a month, $1,440 to $3,360 a year. Visible four lines: $100 flat. Save $180 to $340 a month. Mint four lines 5GB: $60 billed quarterly. Same phones, same numbers, no contract, no credit check. See the full plan breakdown and pick yours at /plans.
World Mobile: $15 for 2GB, $40 for unlimited 25GB fast, no contract, no credit check, T-Mobile or AT&T (whichever is stronger) plus in-house network where deployed, instant eSIM. 50% off your first month with a referral.
See World Mobile Plans →No contract. No credit check. Keep your number.Visible is $100 total ($25 each) for unlimited. World Mobile is $160 total ($40 each) for 25GB fast data then unlimited on two networks with VPN. Mint is $60 total ($15 each for 5GB, quarterly). T-Mobile and AT&T promos can hit $25 to $30 per line at four lines with AutoPay. The lowest total depends on data needs and whether you want month-to-month or quarterly billing.
Usually yes. The per-line price drops at two, three, and four lines on most carriers. Visible and World Mobile are flat at any count. The savings versus single-line postpaid is the real lever: a $110 postpaid line moving to $25 or $40 flat saves $70 to $85 per line per month.
On Visible and World Mobile, every line is the same plan at the same price. On Mint, each line chooses its tier. On T-Mobile and AT&T prepaid, you can mix tiers but the multi-line discount usually requires all lines on the same promo plan. If one line uses 50GB and another uses 2GB, flat unlimited pricing (Visible, World Mobile) is simpler and often cheaper than mixing.
No. World Mobile, Visible, Mint, Tello, T-Mobile prepaid, and AT&T prepaid have no credit check. You pay first, port every number, cancel any line anytime.
On month-to-month flat pricing (Visible, World Mobile), that line just cancels and the rest stay at the same per-line price. On quarterly billing (Mint), that line finishes its paid quarter. On big-carrier promos, removing a line can break the multi-line discount and raise the per-line price for the remaining lines. Check the terms before you build a plan around a promo.
Yes. Port every number during activation of the new plans. Keep every old account active until its port finishes (usually 15 minutes to a few hours per line), then cancel each old line. Get a zero-balance final statement for each. The sequence is the same whether it is one line or six.
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