Episcopal Diocese Of Okla Diocesan Missions Assessment is located in Oklahoma City, OK. The organization was established in 1940. According to its NTEE Classification (X21) the organization is classified as: Protestant, under the broad grouping of Religion-Related and related organizations. This organization is a subordinate organization within an affiliated group for tax-exemption purposes. Episcopal Diocese Of Okla Diocesan Missions Assessment is a 501(c)(3) and as such, is described as a "Charitable or Religous organization or a private foundation" by the IRS.