The Diocese of South-West America is zoned into Regions.

Midwest

• St. Ephrem’s Orthodox Congregation
• St. Gregorios Orthodox Church, Chicago (Elmhurst)
• St. Gregorios Orthodox Church, Chicago(Bellwood)
• St. Mary's Orthodox Church, Chicago
• St. Thomas Orthodox Church, Chicago
• St. Thomas Orthodox Church, Detroit
• St. Mary's Orthodox Church, Detroit
• St. Gregorios Orthodox Church, Detroit
• St. Mary's Orthodox Church, Saint Louis
• St. Gregorios Malankara Orthodox Church, Cleveland
• Orthodox Congregation, Kansas City, KS
• St. Thomas Orthodox Congregation, Iowa

Northwest

• St. Gregorios Orthodox Church, Edmonton, Canada
• St. Mary's Orthodox Church, Calgary, AB Canada
• St. George Malankara Orthodox Church, Vancouver, BC Canada
• St Gregorios Malankara Orthodox Church, Spokane, WA
• St. Gregorios Orthodox Church, Minnesota, MN
• St. Ephrem Harp of the Spirit Orthodox Mission, Olympia, WA

South

• St. Thomas Indian Orthodox Cathedral,Houston
• St. Stephen's Orthodox Church, Houston
• St. Gregorios Orthodox Church, Houston
• St.Marys Orthodox Church, Houston
• St. Peter’s & St. Paul’s Orthodox Church, Houston
• St. Mary's Orthodox Church of India, Dallas (Carrollton)
• St. George Orthodox Church, Dallas
• St. Mary's Orthodox Valiyapally, Dallas
• St. Thomas Orthodox Church, Dallas
• St. Gregorios Orthodox Church, Garland
• St. James Orthodox Church, Dallas
• St. Pauls Orthodox Church, Dallas
• St. George Orthodox Church, San Antonio
• St.Mary's Orthodox Church, San Antonio
• St. Gregorios Orthodox Church, Austin
• St. Thomas Orthodox Church, Lufkin
• St. Gregorios Orthodox Church, New Orleans
• St. Thomas Orthodox Church, Oklahoma
• St. Thomas Orthodox Church, Denver
• St.Gregorios Orthodox Church, McAllen

Southeast

• St. Gregorios Orthodox Church, Norcross, Atlanta, GA
• St. Thomas Orthodox Church, Atlanta
• St.Mary's Orthodox Church, Atlanta
• St. Thomas Orthodox Church South Florida (Oakland Park)
• St. Gregorios Malankara Orthodox Syrian Church, Tampa
• St. Gregorios Orthodox Church of India, South Florida
• St. Mary’s Orthodox Church, Orlando
• St. Paul's Orthodox Church, Orlando
• St. Thomas Orthodox Church, South Florida (Hollywood)
• St. Mary's Orthodox Church, Tampa(Wesley Chapel)
• St. Gregorios Orthodox Church, Jacksonville
• St. Mary’s Orthodox Church, Naples, FL
• St. Gregorios Indian Orthodox Church, Augusta
• St. Pauls Orthodox Church, Chattanooga
• St. Mary’s Orthodox Congregation, Memphis, TN
• St. Thomas Orthodox Congregation, Charlotte, NC

West

• St.Thomas Orthodox Church,Seattle
• St. Thomas Orthodox Church, Los Angeles
• St. Mary's Orthodox Church, LA
• St. Gregorios Orthodox Church, San Francisco
• St. George Orthodox Church, Sacramento
• St. Gregorios Orthodox, Church (Bellflower)
• St. Thomas Orthodox Church, Phoenix
• St. Marys Orthodox Congregation, Las Vegas
• St.Marys Orthodox Congregation,Santa Cruz, CA