I list helpful websites and phone numbers for foreigner. from the Japan Times

Helfpul website, Phone numbers
Locating family and friends
1)NTT emergency voice message board:Dial 171
View message board at https://www.web171.jp/

2)Mobile phone message board service
DoCoMo:http://dengon.docomo.nr.jp/top.cgi
Au:http://dengon.exweb.ne.jp
Softbank:http://dengon.softbank.ne.jp
Willcome:http://www.willcome-inc.com/jp/dengon/index.html
EMobile:http://dengon.emnet.ne.jp/

3)Miyagi Prefecture has a 24-hour police hotline at 022-221-2000.
4)The japanese Red Cross Society an the International Committee of the Red Cross have a website at http://www.icrc.org/familylinks
5)Google service in Japanese, English, Chinese and Korean:http://japan.person-finder.appspot.com/?lan
6)U.S. citizens seeking information can go online to: http://travel.state.gov/cis_pa_tw/pa/pa/_5378.html or call 1-888-407-4747(toll free) 1-202-501-4444
7)U.S. State Department task force for citizens in Japan: japanemergencyusc@state.gov
8)NHK Educational TV will broadcast message from victims or those family members: call 03-7008-0000,050-3369-9660 or 050-3369-968
9)British Embassy in Tokyo:03-5211-1100
10)British Foreign Office: hotline in London: +44-20-7008-0000 e-mail:japan.earthquake@fco.gov.uk Skype: fcojapan(text only)

Language assistance
1)Multilanguage call center Bticks Corp. in Shinjuku Ward, Tokyo, is offering free 24-hour interpretation services via telephone in English, Chinese and Korean. Spanish and Portuguese services available from 9 a.m. to 6 p.m. Call 050-5814-7230

Earthquake and tsunami information
1)Meteorological Agency website:http://www.jma.go.jp/jma/index.html
2)NHK Radio 2:623KHz in Tokyo, Ibaraki, Tochigi, Gunma, Saitama, Chiba, and Kanagawa prefectures.
3)NHK TV
4)U.S. Armed Forces radio:810KHz AM(Tokyo)
5)InterFM radio;76.1 FM
6)NHK website:http:/www3.nhk.or.jp/nhkworld/

Where to make donations
1)American Red Cross:http://www.redcross.org
2)British Red Cross:http://www.redcross.org.uk/Donate-Now/Make-a-single-donation/Japan-Tsunami-Appeal
3)Save the Children:http://savethechildren.org.au/what-we-do/emergencies/japan-disaster
4)MercyCorps:http://www.mercycorps.org/donate/japan
5)World Vision Canada:http://www.worldvision.ca/give-a-gift/Pages/Pacific-Tsunami.aspx
6)Ekokoro.jp:http://www.ekokoro.jp/urgency/urg-14.html
7)@nifty:http://donation.nifty.com/tokusetsu/ (addition)

Medical information
1)Hospitals that can perform diaysis:http://www.saigai-touseki.net/sendsdata/total.php