If you live in Ontario here's a whole bunch of numbers you can try:
Dialup location and some Local dial-up numbers:
Barrie - (705) 721-1638
Belleville - (613) 966-3200
Brantford - (519) 750-1638
Brockville - (613) 345-4556
Chatham - (519) 352-0301
Clinton - (519) 482-1638
Cobourg - (905) 377-1771
Cornwall - (613) 932-0745
Elliot Lake - (705) 461-1393
Guelph - (519) 767-1638
Haliburton - (705) 457-9564
Hamilton - (905) 546-1638
Huntsville - (705) 788-1638
Kingston - (613) 536-1638
Kitchener-Waterloo - (519) 743-1638
Lindsay - (705) 324-0857
London - (519) 438-1638
Newmarket - (905) 954-0550
North Bay - (705) 474-1638
Oshawa - (905) 571-1638
Ottawa - (613) 350-1638
Owen Sound - (519) 371-1682
Pembroke - (613) 735-5252
Peterborough - (705) 745-1638
St. Catharines - (905) 684-1638
Sarnia - (519) 332-6351
Sault Ste. Marie - (705) 254-1638
Sudbury - (705) 669-1638
Toronto and GTA - (416) 681-1638
Thunder Bay - (807) 623-1638
Windsor - (519) 561-1638
I got it from here:
http://service.sympatico.ca/index.cfm?method=content.view&category_id=107&content_id=1053
YOu can look around for other stuff too. I think this is their main site for Canada:
http://service.sympatico.ca/