Compare postpaid mobile plans December 2025

Find the best postpaid mobile plan that lets you set and forget.

20 of 138 results
Finder Score Data allowance Ongoing price Special offer Description Rewards
9.6
Data Allowance
80GB
Optus 4G/5G network
$40
per month
per month
Ongoing price
$40
per month
per month
SAVE $120
$40
$20
per month for first 6 months
$20/mth for first 6 months, then $40/mth. Order by 24 Feb 2026. T&Cs apply.
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9.9
Data Allowance
50GB
Wholesale Telstra 4G/5G network
$36
per month
per month
Ongoing price
$36
per month
per month
SAVE $108 + BONUS DATA
$36
$18
per month for first 6 months
50GB
100GB
per month for first 6 months
Black Friday offer: $18/mth for first 6 months, then $36/mth (ends 14 Dec 2025) + double data offer (100GB/mth for first 6 months). Ends 3 Feb 2026. T&Cs apply.
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8.3
Data Allowance
80GB
Optus 4G/5G network
$34
per month
per month
Ongoing price
$34
per month
per month
No special offer
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Southern Phone logo
7.6
Southern Phone Medium
PostpaidNo lock-in contract
No special offer
7.6
Data Allowance
40GB
Optus 4G/5G network
$29
per month
per month
Ongoing price
$29
per month
per month
No special offer
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Belong Mobile logo
7.9
Belong 40GB
PostpaidNo lock-in contract
SAVE $30
$35
$30
per month for first 6 months
7.9
Data Allowance
40GB
Wholesale Telstra 4G/5G network
$35
per month
per month
Ongoing price
$35
per month
per month
SAVE $30
$35
$30
per month for first 6 months
$30/mth for first 6 months, then $35/mth. Activate by 21 Jan 2026. T&Cs apply.
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Dodo logo
9
Dodo $30
PostpaidNo lock-in contract
SAVE $60
$30
$15
per month for first 4 months
9
Data Allowance
40GB
Optus 4G/5G network
$30
per month
per month
Ongoing price
$30
per month
per month
SAVE $60
$30
$15
per month for first 4 months
$15/mth for first 4 months, then $30/mth. Order by 24 Feb 2026. T&Cs apply.
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Tangerine Mobile logo
9.9
Tangerine 30GB 5G SIM
PostpaidNo lock-in contract
SAVE $90 + BONUS DATA
$30
$15
per month for first 6 months
30GB
60GB
per month for first 6 months
9.9
Data Allowance
30GB
Wholesale Telstra 4G/5G network
$30
per month
per month
Ongoing price
$30
per month
per month
SAVE $90 + BONUS DATA
$30
$15
per month for first 6 months
30GB
60GB
per month for first 6 months
Black Friday offer: $15/mth for first 6 months, then $30/mth (ends 14 Dec 2025) + double data offer (60GB/mth for first 6 months). Ends 3 Feb 2026. T&Cs apply.
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Belong Mobile logo
8.3
Belong 100GB
PostpaidNo lock-in contract
SAVE $30
$45
$40
per month for first 6 months
8.3
Data Allowance
100GB
Wholesale Telstra 4G/5G network
$45
per month
per month
Ongoing price
$45
per month
per month
SAVE $30
$45
$40
per month for first 6 months
$40/mth for first 6 months, then $45/mth. Activate by 21 Jan 2026. T&Cs apply.
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AGL logo
7.9
AGL Large 5G
PostpaidNo lock-in contract
No special offer
7.9
Data Allowance
160GB
Optus 4G/5G network
$50
per month
per month
Ongoing price
$50
per month
per month
No special offer
$40/mth when bundled with AGL Energy. T&Cs apply.
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Tangerine Mobile logo
7.9
Tangerine 14GB 4G SIM
PostpaidNo lock-in contract
No special offer
7.9
Data Allowance
14GB
Wholesale Telstra 4G network
$25
per month
per month
Ongoing price
$25
per month
per month
No special offer
$22.50/mth when bundled with Tangerine NBN, instead of $25/mth. T&Cs apply.
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AGL logo
6.7
AGL Small 5G
PostpaidNo lock-in contract
No special offer
6.7
Data Allowance
40GB
Optus 4G/5G network
$35
per month
per month
Ongoing price
$35
per month
per month
No special offer
$25/mth when bundled with AGL Energy. T&Cs apply.
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Optus logo
7.7
Optus Plus Promo Plan $79
PostpaidNo lock-in contract
SAVE $120
$79
$69
per month for first 12 months
7.7
Data Allowance
360GB
Optus 4G/5G network
$79
per month
per month
Ongoing price
$79
per month
per month
SAVE $120
$79
$69
per month for first 12 months
$69/mth for first 12 months, then $79/mth. Plus, get up to $10/mth SubHub credit for 12 months. T&Cs apply.
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AGL logo
7.5
AGL Medium 5G
PostpaidNo lock-in contract
No special offer
7.5
Data Allowance
80GB
Optus 4G/5G network
$40
per month
per month
Ongoing price
$40
per month
per month
No special offer
$30/mth when bundled with AGL Energy. T&Cs apply.
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Dodo logo
8.3
Dodo $25
PostpaidNo lock-in contract
No special offer
8.3
Data Allowance
25GB
Optus 4G/5G network
$25
per month
per month
Ongoing price
$25
per month
per month
No special offer
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Tangerine Mobile logo
9.8
Tangerine 100GB 5G SIM
PostpaidNo lock-in contract
SAVE $144 + BONUS DATA
$48
$24
per month for first 6 months
100GB
200GB
per month for first 6 months
9.8
Data Allowance
100GB
Wholesale Telstra 4G/5G network
$48
per month
per month
Ongoing price
$48
per month
per month
SAVE $144 + BONUS DATA
$48
$24
per month for first 6 months
100GB
200GB
per month for first 6 months
Black Friday offer: $24/mth for first 6 months, then $48/mth (ends 14 Dec 2025) + double data offer (200GB/mth for first 6 months). Ends 3 Feb 2026. T&Cs apply.
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Optus logo
5.5
Optus Choice Plus $55
PostpaidNo lock-in contract
No special offer
5.5
Data Allowance
50GB
Optus 4G/5G network
$55
per month
per month
Ongoing price
$55
per month
per month
No special offer
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Southern Phone logo
7.5
Southern Phone Small
PostpaidNo lock-in contract
No special offer
7.5
Data Allowance
20GB
Optus 4G/5G network
$24
per month
per month
Ongoing price
$24
per month
per month
No special offer
Go to site More info
Compare product selection
Belong Mobile logo
7.5
Belong 25GB
PostpaidNo lock-in contract
No special offer
7.5
Data Allowance
25GB
Wholesale Telstra 4G/5G network
$30
per month
per month
Ongoing price
$30
per month
per month
No special offer
Go to site More info
Compare product selection
Tangerine Mobile logo
9.9
Tangerine 75GB 5G SIM
PostpaidNo lock-in contract
SAVE $126 + BONUS DATA
$42
$21
per month for first 6 months
75GB
150GB
per month for first 6 months
9.9
Data Allowance
75GB
Wholesale Telstra 4G/5G network
$42
per month
per month
Ongoing price
$42
per month
per month
SAVE $126 + BONUS DATA
$42
$21
per month for first 6 months
75GB
150GB
per month for first 6 months
Black Friday offer: $21/mth for first 6 months, then $42/mth (ends 14 Dec 2025) + double data offer (150GB/mth for first 6 months). Ends 3 Feb 2026. T&Cs apply.
Go to site More info
Compare product selection
Tangerine Mobile logo
9.8
Tangerine 160GB 5G SIM
PostpaidNo lock-in contract
SAVE $180 + BONUS DATA
$60
$30
per month for first 6 months
160GB
320GB
per month for first 6 months
9.8
Data Allowance
160GB
Wholesale Telstra 4G/5G network
$60
per month
per month
Ongoing price
$60
per month
per month
SAVE $180 + BONUS DATA
$60
$30
per month for first 6 months
160GB
320GB
per month for first 6 months
Black Friday offer: $30/mth for first 6 months, then $60/mth (ends 14 Dec 2025) + double data offer (320GB/mth for first 6 months). Ends 3 Feb 2026. T&Cs apply.
Go to site More info
Compare product selection
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8 Responses

    Default Gravatar
    SherJune 9, 2025

    Are there any other service providers in Australia that do mobile phone plans plus a mobile phone other than Telstra, Optus or Vodaphone?

      Mariam Gabaji's headshotFinder
      MariamJune 11, 2025Finder

      Hi Sher, unfortunately Vodafone, Telstra and Optus are the only ones that offer phones on a plan. Hope this helps!

    Default Gravatar
    BrianJune 4, 2025

    I need help in finding a reasonable 4G/5G sim only plan on telstra’s MNVO network. All the negative reviews relate to poor customer service, unhelpful poorly trained overseas call centers. Limited tech support mostly 9 to 5 weekdays only. Optus won’t work in my house. I am currently with Telsta and wan’t to leave because of no personal contact. Chat bot is useless and wastes so much time because it don’t understand the question! MNVO customer’s seem to get poor coverage, even Belong, poor customer service all round, so why recommend them. I’m looking for honest information. Please help me.

    Default Gravatar
    AboudMarch 8, 2025

    Hi, I am looking for a mobile postpaid sim only at a low monthly fee,
    No need for any data but for just text and talk only.

      Angus Kidman's headshotFinder
      AngusMarch 11, 2025Finder

      Hi Aboud, You can check out our guide to cheap mobile plans for some options. Note that it’s pretty much impossible to find a voice-only postpaid service – if you really want that, prepaid is likely to be a better option.

    Default Gravatar
    ANNIEFebruary 28, 2025

    CAN I SYNC MY APPLE CELLULAR WATCH TO A BELONG PLAN

      Angus Kidman's headshotFinder
      AngusMarch 3, 2025Finder

      Hi Annie, Belong doesn’t yet support eSIMs, so you won’t be able to use it in an Apple watch unfortunately.

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