Print this page (or have a friend print it) to have it at hand when you follow these instructions, since you'll have to be disconnected from the Internet to do so.

1. Click Start, click Programs, click Accessories, click Communications, then click Dial-up Networking.
2. Locate and right-click (do not double-click) the dial-up icon icon, and click Properties.
3. Type the area code for your dialing location in the Area code box.
4. Ensure that Use country code and area code is checked.
5. Click OK.
6. Double-click the dial-up icon. In the Connect window, click the Dial Properties button.
7. In the Dialing Properties window, select Canada in the I am in this country/region menu, and type the area code for the dial-up number in the Area code box.
8. Click the Area Code Rules button.
9. In the Area Code Rules window, check Always dial the area code (10 digit dialing).
10. If the area code of the dial-up location is different from the area code of your location, then do the following:
    In the When calling to other area codes section, click the New button and type the area code of the dial-up location, then click OK.
11. Click OK, then click OK again.

Back to 10 digit dialing