The Office of Federal Acknowledgment (OFA) within the Office of the Assistant Secretary - Indian Affairs of the Department of the Interior (DOI) implements Part 83 of Title 25 of the Code of Federal Regulations, Procedures for Establishing that an American Indian Group Exists as an Indian Tribe. The acknowledgment process is the Department's administrative process by which petitioning groups that meet the criteria are "acknowledged" as Indian tribes and their members become eligible to receive services provided to members of federally recognized Indian tribes. The acknowledgment regulations are the result of a rulemaking process that included notice and extensive public comment.

Cherokee Nation of Oklahoma
P.O. Box 948
Tahlequah, Oklahoma 74465

Cheyenne-Arapaho Tribes
100 Red Moon Circle
Concho, Oklahoma 73022

Chickasaw Nation
P.O. Box 1548
Ada, Oklahoma 74821

Choctaw Nation
529 N 16th Street
Durant, Oklahoma 74701

Delaware Nation
P.O. Box 825
Anadarko, Oklahoma 73005

Eastern Shawnee Tribe
127 W Oneida Street
Seneca, Missouri 64865

Iowa Tribe of Oklahoma
Rt. 1 Box 721
Perkins, Oklahoma 74059

Kialegee Tribal Town
627 E Highway 9
Wetumka, Oklahoma 74883

Muscogee (Creek) Nation
P.O. Box 580
Okmulgee, Oklahoma 74447

Osage Tribe
P.O. Box 779 or 627 Grandview
Pawhuska, Oklahoma 74056

Otoe-Missouria Tribe of Oklahoma
8151 Hwy 177
Red Rock, Oklahoma 74651

Pawnee Nation
P.O. Box 470
Pawnee, Oklahoma 74058

Sac & Fox Nation of Oklahoma
920883 S. Hwy 99, Bldg. A
Stroud, Oklahoma 74079

Seneca-Cayuga Tribe of Oklahoma
23701 South 655 Road
Grove, Oklahoma 74344

Shawnee Tribe
29 S Hwy 69 A
Miami, Oklahoma 74355

United Keetoowah Band of Cherokee Indians
P.O. Box 746
Tahlequah, Oklahoma

Wichita and Affiliated Tribes
P.O. Box 729
Anadarko, Oklahoma 73005

Copyright August 2011 AHGP. Copyright ©2000-2006  Founded April 8, 2000. Debbie Axtman,  Jim Powell, Jr., Ginger Cisewski, and  Brenda Hare, for the exclusive use and benefit of The American History and Genealogy Project. All rights reserved.