Contact Us . Our mailing address for Postal Services: Joshua & Ruth Barron PO Box 3117 00502 Karen Nairobi, KENYA East Africa . Or you can call us! Our phone numbers: (To direct dial from a landline in America, dial “011” before the “254” and ignore the “+“) . For those of you interested in communicating through an internet chat service, or in receiving our updates (snail mail newsletters and/or email updates), just send send us an email to let us know. . If you need to contact MissionStream, you can find their contact information here. .