| Country | Notes |
| Philippines |
Mobile access available from PLDT only
|
| Ghana |
Accessible from Airtel’s network only (Both Fixed & Mobile)
|
| Tanzania |
Accessible from Airtel’s network only. Airtel has only Mobile network in Tanzania. Only fixed is available. Mobile is not available.
|
| Venezuela |
Dial format: 0800-XXXX-XXX. Full national reachablility. No Internation reachability.
|
| Bolivia | International access not guaranteed. |
| Namibia |
ITFS access is limited to calls only from Namibia Telecom phones.
|
| Honduras | ITFS Does not work from Claro |
| Nepal | ITFS is available from Nepal Telecom fixed and mobile access only. Dial Format 1-800-xxx-xxxx. |
| Kazakhstan |
ITFS is not available from payphone and mobile networks
|
| Japan |
Limited regional coverage due to local restrictions
|
| Nicaragua |
Mobile access is available from Enitel.
|
| Papua New Guinea |
Mobile access is not available. There is access from Manus Island.
|
| Monaco |
Mobile access not available. ITFS dialing form 800 9X XXX.
|
| Anguilla |
Mobile access: available from Lime only
|
| Turkey | Mobile access: available from Turk Telecom & Turkcell only |
| Cambodia | Mobile Access: ITFS is reachable by Smart and Beeline. It is also reachable from "Hello" formally know as Hello Axiata which is the same as Smart Network. |
| El Salvador | Mobile only works from Movistar mobile network and Telefonica fixed network. No available from other mobile networks. |
| Ecuador |
No International reachability
|
| Macedonia |
No International reachability
|
| Martinique |
No International reachability
|
| Uganda |
No International reachability
|
| Belarus |
No reach internationally. Full reach nationally.
|