Mailing Address: One Challenge, PO Box 36900, Colorado Springs, CO 80936
Physical Address: 5801 N Union Blvd, Colorado Springs, CO 80918
Office Hours: Monday-Friday, 8 a.m. to 5 p.m.
Telephone: 719.592.9292 Toll-free: 800.676.7837 Fax: 719.592.0693
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Please use the following email addresses for requesting specific information or regarding questions or comments.
General Information: Info@oci.org
for general questions and/or comments
Change of Address: DonorRelations@oci.org
for donors who need to change their mailing or email address with One Challenge... or if you want to change from paper to electronic prayer letters
for questions related to being a mission worker with One Challenge
WorldView Registration: Mobilization@oci.org
for registering to attend a WorldView seminar
Short Term: ShortTerm@oci.org
for questions regarding short-term missions with One Challenge
Creative Access: Mobilization@oci.org
for interest in an area that has been traditionally closed to mission workers
Host a Seminar: Mobilization@oci.org
for sponsoring a WorldView or PathFinder seminar
Sports Ambassadors: SA@oci.org
for sport ministries
for questions about your donor account or general finances
OC Alumni: Alumni@oci.org
for questions about or from OC alumni
for comments about the site
One Challenge is an international mission sending agency empowering local church ministry in more than 100 countries around the world. We seek to empower the whole body of Christ to bring a transforming love and hope to all people. When invited by local leaders, OC facilitates local bodies of believers to identify, train, and send global workers toward realizing a “from everywhere to everywhere” vision. For more information, please email OC Mobilization at email@example.com. Or go to our Mobilization blog called "Prepare for Impact" at https://prepareforimpact.life/blog/.