Lowest 1st-year cost
~25.0 MbpsTypical evening
$55.00/mofor 6 mos
$65.00/moongoing
$330.006 months
$720.00first yearSave $60 promo
$60.00Save 8%
Save $60 intro
No lock-inProvider guide
Southern Phone plans compared.
We track 5 Southern Phone plans. The cheapest broadband plan, NBN 25/10, costs $720 over the first 12 months.
We couldn't refresh Southern Phone prices since 10 October 2026. Check the provider's site before you sign up.
- Plans tracked
- 5
- Cheapest broadband, year one
- $720
Southern Phone NBN & broadband plans
Sorted by total cost over the first 12 months, including the promo period.
~50.0 MbpsTypical evening
$65.00/mofor 6 mos
$80.00/moongoing
$390.006 months
$870.00first yearSave $90 promo
$90.00Save 9%
Save $90 intro
No lock-in~87.0 MbpsTypical evening
$80.00/mofor 6 mos
$95.00/moongoing
$480.006 months
$1050.00first yearSave $90 promo
$90.00Save 8%
Save $90 intro
No lock-in~500.0 MbpsTypical evening
$90.00/mofor 6 mos
$105.00/moongoing
$540.006 months
$1170.00first yearSave $90 promo
$90.00Save 7%
Save $90 intro
No lock-in~860.0 MbpsTypical evening
$110.00/mofor 6 mos
$125.00/moongoing
$660.006 months
$1410.00first yearSave $90 promo
$90.00Save 6%
Save $90 intro
No lock-inSouthern Phone questions
What is the cheapest Southern Phone NBN plan?
NBN 25/10 at $55/mo for 6 months, then $65/mo. That is $720 over the first year (checked 10 October 2026).
Compare with
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