Billing Plans
DOCOMO's Giga plan
For 5G smartphones
- Communications may be restricted during network congestion or heavy data transmission.
- If you have surpassed your data limit for the month, your maximum data rate will be 128 Kbps for sending or receiving.
For 4G smartphones
- If you have surpassed your data limit for the month, your maximum data rate will be 128 Kbps for sending or receiving.
For your first smartphone
- If you have surpassed 1 GB for the month, your maximum data rate will be 128 Kbps for sending or receiving.
- When a registered user reaches the age of 19, the monthly data allowance changes to 1 GB starting from the following month.
- After the 5 GB data limit (1 GB starting from the month following when a registered user reaches the age of 19) is exceeded, the maximum data rate changes to 128 kbps until the end of the month.
For data communications
For docomo Feature Phone and docomo Kids
- If you have surpassed your data limit for the month, your maximum data rate will be 128 Kbps for sending or receiving.
Billing Plans and Discount Services for Which New Applications Are No Longer Accepted
Introduction to billing plans and discount services for which new applications are no longer accepted.
Billing Plans and Discount Services for Which New Applications Are No Longer Accepted
ahamo
Notes on changing plans to ahamo
Please be sure to check the page linked below before changing your plan to ahamo. You will find explanations on prerequisite procedures and precautions.
Notes on changing plans to ahamo (in Japanese only)
DOCOMO's Economy MVNO

For customers considering using less data
Billing services provided by other carriers that can also be linked to d POINTs can now be handled at docomo Shops.
For details, refer to "Agreement in Partnership with Economy MVNO Using d POINTs" (in Japanese only).
For available procedures, refer to "Overview of 'Agreement in Partnership with Economy MVNO Using d POINTs" (in Japanese only).
- MVNOs are wireless communications operators that provide communication services by using networks provided by mobile communications operators such as DOCOMO.
Discounts and Benefits
Introduction to discount services that enable economical use of a DOCOMO line.
Discount Campaigns
Introduction to campaigns for purchasing products, campaigns available with d POINT CLUB, etc., and other useful information.
Discount Campaigns (in Japanese only)
Other Option Services, Related Information
- Giga Plan Upper Limit Setting Option (in Japanese only)
- Data Volume Notice (in Japanese only)
- Additional 1 GB Option (in Japanese only)
- Speed Mode (in Japanese only)
- International Roaming and International Calls
Billing and Payment of Charges, How to Confirm Your Usage
- Paying by Credit Card (Periodic Credit) (in Japanese only)
Inquiries by Phone
Open all year round
From DOCOMO mobile Phones
Available languages: English, Portuguese, Chinese, and Spanish.
9 a.m. to 8 p.m.
- Only from a DOCOMO mobile phone or DOCOMO Smartphone.
From landline phones etc.
0120-005-250
Available languages: English, Portuguese, Chinese, and Spanish.
9 a.m. to 8 p.m.
- May not be accessible from some IP phones.