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Hong Kong Prepaid SIM Balance USSD Codes (2025 Edition)

🕐 2026-07-04 ✍️ Moyi Foreign Trade
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Hong Kong local prepaid SIM cards and roaming data cards come in all shapes and sizes, and the short codes for checking balance, data and validity differ from carrier to carrier. This article compiles the balance-check short codes, hotlines and validity info for more than 15 Hong Kong prepaid SIM cards, so travelers and users can quickly look them up.

Hong Kong Prepaid SIM Balance USSD Code Master Table

1. ABC Mobile

  • Check account:*122*1#
  • Check your number & balance:*122*2# (SMS notification)
  • Default validity:90 days
  • Hotline:179179

2. 3HK & 3 DIY

  • Check your number & balance:##107# (SMS notification)
  • Default validity:180 days
  • Hotline:1033

3. Hemat (CSL) Prepaid SIM

  • Check your number & balance:*101# (SMS notification)
  • Default validity:180 days
  • Hotline:179179

4. 移動萬眾卡 & 鴨聊佳 (China Mobile Hong Kong)

  • Activation:*103*800#
  • Check your number & balance:*#130# (SMS notification)
  • Default validity:180 days
  • Hotline:2211 7188

5. 全港通 & 中華遊

  • Check your number & balance:*122*77# (SMS notification)
  • Default validity:180 days
  • Hotline:3177 2898

6. ValueGB

  • Check number:*111*359#
  • Check your data & balance:*121# (SMS notification)
  • Default validity:180 days
  • Hotline:3177 2898

7. China Telecom Hong Kong (CTExcel)

  • WeChat official account:【China Telecom Hong Kong】
  • Check your number & balance:Text “BILL” to 1745678
  • Default validity:180 days
  • Hotline:1745678

8. China Unicom Hong Kong (CUniq)

  • Check validity:*118*35#
  • Check your data & balance:*118*50# (SMS notification)
  • Default validity:30 / 180 / 365 days
  • Hotline:2122 1188

9. Boyuan Telecom (博元電訊)

  • Check your data & balance:*126# (SMS notification)
  • Default validity:180 days
  • Hotline:2122 1188

10. Lacky SIM

  • Check number:*116#
  • Check your data & balance:*116*1# (SMS notification)
  • Default validity:1 / 2 / 3 years
  • Hotline:3188 2226

11. Modern Mobile

  • Check number:*#149*888#
  • Check your data & balance:*#149*9999# (SMS notification)
  • Default validity:30 / 180 / 365 days
  • Hotline:2150 1512

12. Monkey Prepaid SIM (猴子儲值卡)

13. MoreBuddy Prepaid SIM (大眾儲值卡)

14. Your SIM (Your 儲值卡)

  • Check number:##121#
  • Apply for 1GB data:*101*601*16#
  • Default validity:90 days

15. SmarTone Prepaid SIM (數碼通)

  • Check number:*111*359#
  • Check balance:*121#
  • Default validity:180 days
  • Hotline:2880 2688

Prepaid SIM Buying Tips

1. Choose validity based on how long you stay
Short-stay travelers (1-7 days) can pick ABC Mobile (90-day validity) or Your SIM (90-day validity); for long stays or frequent trips, choose China Unicom Hong Kong (up to 365 days) or Lacky SIM (up to 3 years).

2. Choose based on data usage
Heavy data users are recommended 3HK DIY and 鴨聊佳, which offer a wide range of local and roaming data plans; light users can go with ValueGB or 全港通, which offer better value.

3. Using the card in both mainland China and Hong Kong
Users who frequently travel between mainland China and Hong Kong should choose China Telecom Hong Kong (CTExcel) or China Unicom Hong Kong (CUniq), which support mainland numbers and one-card-two-numbers, with shareable data.

4. Convenience of checking
Most prepaid SIMs support USSD short-code queries (e.g., *101#, *#130#), while some carriers (such as China Telecom Hong Kong) require SMS or WeChat official account queries. We recommend dialing the check code right after purchase to confirm your number and balance display correctly.

5. Customer support
If you run into problems, call the carrier hotline first. ABC Mobile and Hemat share the 179179 hotline, while 全港通 and ValueGB share 3177 2898 — both respond fairly quickly.

Conclusion

Above is a summary of balance-check short codes, validity periods and hotline info for Hong Kong's major prepaid SIM carriers. We recommend checking your balance and validity right after buying a SIM to confirm it activated correctly. If anything is missing or outdated, feel free to leave a comment!

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