How do I contact my router's manufacturer?

Your router manufacturer should have a website available with contact information on it.
Some of the websites and contact numbers for the most common router manufacturers are
listed below.
Belkin http://www.belkin.com/ 800-223-5546
Buffalo http://www.buffalotech.com/ 866-752-6210
D-Link http://www.d-link.com/ 877-453-5465
Linksys http://www.linksysbycisco.com/800-326-7114
Netgear http://www.netgear.com/ 888-638-4327
SMC http://www.smc.com/ 800-762-4968