Sign Up/Change Request by Email
Follow the instructions to view or change your account/service information via Email.
Fill out the form properly and mail to: mail-506506@ntt.com
Change Address
Request for changing the ADSL line installation address is not accepted by Email.
Change Subscription Address
If you have changed your address registered with OCN, please give us the following information and mail to: mail-506506@ntt.com
OCN Customer Number starting with an N
Name of Subscriber
New Address
New Phone Number
Email Address
Change Billing Address
If you have changed your billing address registered with OCN, please give us the following information and mail to: mail-506506@ntt.com
OCN Customer Number starting with an N
Name of Subscriber
New Billing Address
New Phone Number
Email Address
Email (Family Mail)
Change Email Address
To change your account name (before@), please mail to: mail-506506@ntt.com the following information with "Change Email Address" in the message title.
OCN Customer Number starting with an N
Name of Subscriber
Address
Phone Number
Current OCN Email Address
New Account name (before @)
First choice:
Second choice:New Email Password
Mail host name (after @) will be automatically assigned by OCN.
- [Note on Account Name]
Must be 3 to 20 characters in length with lower case letters, numbers, "-(hyphen)", "_(underscore)", or ".(period)".
Must start with a lower case letter, must not begin/end with any of the punctuation characters AND must not have two or more periods in a row.
-
In some cases, your choice of account name may not be available if it has been already used or if it is unusable.
- [Note on Password]
Create password with upper/lower case letters, numbers and the following punctuation and special characters:
"!", "$", "%", "&", "'", "(", ")", "*", "+", "/", ";", "<", "=", ">", "?", "[", "]", "^", "{", "}", and "~"
Add New Email Address
To add a new mail account, please mail to: mail-506506@ntt.com the following information with "Add New Email Address" in the message title.
OCN Customer Number starting with an N
Name of Subscriber
Address
Phone Number
Current OCN Email Address
New Account name (before @)
First choice:
Second choice:New Email Password
You can add up to 30 Email accounts (except the first one assigned at sign up).
See "Family Mail" for more details.
Mail host name (before@) will be automatically assigned by OCN.
- [Note on Account Name]
Must be 3 to 20 characters in length with lower case letters, numbers, and the following punctuation characters: "-(hyphen)", "_(underscore)", and ".(period)".
Must start with a lower case letter, must not begin/end with any of the punctuation characters AND must not have two or more periods in a row.
-
In some cases, your choice of account name may not be available if it has been already used or if it is unusable.
- [Note on Password]
Must be 6 to 8 characters in length with upper/lower case letters, numbers and the following punctuation and special characters:
"!", "$", "%", "&", "'", "(", ")", "*", "+", ",", "/", ";", "<", "=", ">", "?", "[", "]", "^", "{", "}", and "~"
Discontinue Email Address
To discontinue your Email address, please mail to: mail-506506@ntt.com the following information with "Cancel Email Address" in the message title.
OCN Customer Number starting with an N
Name of Subscriber
Address
Phone Number
OCN Email Address
-
Email Address you want to discontinue
Email Virus Check
To sign up or cancel Email Virus Check, please mail to: mail-506506@ntt.com the following information with "Sign up (or Cancel) Email Virus Check" in the message title.
OCN Customer Number starting with an N
Name of Subscriber
Address
Phone Number
OCN Email Address
OCN Email Address you want to apply (or cancel) Email Virus Check
Cancellation
To cancel OCN service plan, please mail to: mail-506506@ntt.com the following information with "Request for Cancellation" in the message title.
OCN Customer Number starting with an N
Name of Subscriber
Address
Phone Number
OCN Email Address
Desired Cancellation Date
Reasons for Cancellation
Billing Address(if different from Subscription Address)
-
Desired Cancellation date should be the date you send this request form by Email. However, OCN ADSL Set subscribers should set the date 10 days after the date you request in order for the ADSL line removal.
Cancellation of OCN service will not terminate NTT services, such as B FLET'S, ADSL FLET'S, and ISDN. Request cancellation of NTT service separately if you subscribe to NTT FLET'S service.
