Enjoy IDD 1678 Service from your mobile to stay in touch with friends and business associates.
How to dial IDD 1678?

1678 Country Code Area Code Phone Number

IDD 1678 Tariff:
• Coverage and tariff
     
 
Called Destination Flat Rate (per min.)
China - Shenzhen, Shekou $1.98
China - Guangdong Province $2.58
China - Others area $2.98
United States* $1.28
Canada+ $1.28
Australia^ $2.00
United Kingdom $5.50
Singapore $3.28
Taiwan $3.28
Japan $3.28
South Korea $3.00
Macau $2.08
Thailand $4.10
Malaysia $4.10
Indonesia $4.00
 
     
* Not applicable for calling to Guam.
+ Not applicable for calling to Canada Numbers “1867".
^ Not applicable for calling to Australia Satellite Numbers "6114" and "6116".
All registered IDD service 1O1O customers may automatically enjoy IDD 1678 service.
If you have not yet registered, please call our Customer Service Hotline 2888 1010 or visit our 1O1O Centre.
 
If you call back an incoming IDD call by retrieving the telephone number from the caller number display (e.g. from "Answered" or "Missed" call record), this IDD call will be charged at IDD 001 rates since you are using IDD 001 to make the call.
IDD 1678 charges will be calculated on a 1-minute incremental basis. Local airtime charges apply according to the Service Plan signed up.
IDD1678 Package A ("The Service") Terms and Conditions:
1. The Service is available to selected personal account customers of designated service plan subscriptions who have activated IDD & Roaming service. If the customer has not registered for IDD and roaming services or has already applied for, upon subscription to The Service, it represents the customer agrees to activate IDD and roaming service.
2. All charges are calculated in 1-minute interval and rounded up to the nearest 1-minute.
3. For each IDD call, local airtime will be counted or be charged.
4. If customers call back an incoming IDD call by retrieving the telephone number from the caller number display (e.g. from "Answered" or "Missed" call record), this IDD call will be charged at IDD001 rates since customers are using IDD001 to make the call.
5. The discounted rate of the service is only applicable to calling normal fixed numbers and mobile numbers to China, the United States, Canada, Singapore; calling normal fixed numbers to the United Kingdom and Australia.
6. The discounted rate of the service is not applicable for calling to Guam, Hawaii, Alaska, Canada numbers "1867", Australia Satellite Numbers "6114” and “6116”, Christmas Island and COCO Island, United Kingdom premium numbers such as “870”, "9", "4470", "4455", "44500", ”448" and "449".
7. The discounted rate of the service excludes voice calls made to premium numbers (being numbers other than normal fixed and mobile numbers, e.g. infoline numbers or special service numbers, where premium rates may apply to calls to these premium numbers) and satellite numbers of designated destinations. The premium numbers and satellite numbers will be updated from time to time depending on service suppliers and national regulations. For details of related numbers, please contact our customer service hotline.
8. If the customer uses IDD1678 to call other overseas destinations or locations other than the designated locations of this Service, it will be calculated according to the prevailing IDD1678 standard fee.
9. If customer in the meantime subscribes IDD001 Package or the free IDD package entitled from the service plan, the IDD1678 minutes will be deducted in priority. The deduction order is deducting the free IDD minutes entitled from service plan, then IDD minutes from IDD001 package, finally IDD minutes from The Service (according to ascending order of contract start date of other IDD packages).
10. If customer has subscribed multiple IDD1678 packages, the IDD minutes will be deducted in the ascending order of contract start date of IDD packages.
11. The Service is not applicable to any “Supplementary Number Service”, “JustOne Card”, Multi-Number L2 numbers, Multi-SIM Secondary SIM numbers.
12. We reserve the right to amend any or all of these terms and conditions without prior notice. In case of dispute, our decision is final.
 
IDD1678 Package C ("The Service") Terms and Conditions:
1. The Service is available to selected personal account customers of designated service plan subscriptions who have activated IDD & Roaming service. If the customer has not registered for IDD and roaming services or has already applied for, upon subscription to The Service, it represents the customer agrees to activate IDD and roaming service.
2. All charges are calculated in 1-minute interval and rounded up to the nearest 1-minute.
3. For each IDD call, local airtime will be counted or be charged.
4. If customers call back an incoming IDD call by retrieving the telephone number from the caller number display (e.g. from "Answered" or "Missed" call record), this IDD call will be charged at IDD001 rates since customers are using IDD001 to make the call.
5. The discounted rate of the service is only applicable to calling normal fixed numbers and mobile numbers to China, the United States, Canada, Singapore; calling normal fixed numbers to the United Kingdom, Australia, Japan, South Korea, Taiwan, Malaysia and Thailand.
6. The discounted rate of the service is not applicable for calling to Guam, Hawaii, Alaska, Canada numbers "1867", Australia Satellite Numbers "6114” and “6116”, Christmas Island and COCO Island, United Kingdom premium numbers such as “870”, "9", "4470", "4455", "44500", ”448" and "449".
7. The discounted rate of the service excludes voice calls made to premium numbers (being numbers other than normal fixed and mobile numbers, e.g. infoline numbers or special service numbers, where premium rates may apply to calls to these premium numbers) and satellite numbers of designated destinations. The premium numbers and satellite numbers will be updated from time to time depending on service suppliers and national regulations. For details of related numbers, please contact our customer service hotline.
8. If the customer uses IDD1678 to call other overseas destinations or locations other than the designated locations of this Service, it will be calculated according to the prevailing IDD1678 standard fee.
9. If customer in the meantime subscribes IDD001 Package or the free IDD package entitled from the service plan, the IDD1678 minutes will be deducted in priority. The deduction order is deducting the free IDD minutes entitled from service plan, then IDD minutes from IDD001 package, finally IDD minutes from The Service (according to ascending order of contract start date of other IDD packages).
10. If customer has subscribed multiple IDD1678 packages, the IDD minutes will be deducted in the ascending order of contract start date of IDD packages.
11. The Service is not applicable to any “Supplementary Number Service”, “JustOne Card”, Multi-Number L2 numbers, Multi-SIM Secondary SIM numbers.
12. We reserve the right to amend any or all of these terms and conditions without prior notice. In case of dispute, our decision is final.