http://www.angelfire.com/biz/khawar/karachi_fax.html

ATRC Karachi Email to Fax Service
To send a fax locally to the Country Code 92 Pakistan and City Code 21 Karachi.

Send an email to karachi_fax@bigfoot.com with the fax number and password in the Subject.

The charges for all faxes are Pak Rs 5.00 or US$ 0.10 minute.

It is possible to sponsor advertisements on outgoing faxes so some of the faxes can be delivered as a free service.