EXHIBIT 21

PRINCIPAL SUBSIDIARIES OF THE REGISTRANT
AS OF DECEMBER 31, 2006

Name	State of Incorporation
DOBSON OPERATING CO., L.L.C.	Oklahoma
DCC PCS, INC.	Oklahoma
DOBSON CELLULAR SYSTEMS INC.	Oklahoma
ACC HOLDINGS, LLC	Oklahoma
AMERICAN CELLULAR CORPORATION	Delaware
WIRELESS INVESTMENTS, INC.	Oklahoma
CELLULAR ONE PROPERTIES, L.L.C.	Oklahoma