JOINT FILING AGREEMENT

   1
                                                                       EXHIBIT 1

                             JOINT FILING AGREEMENT

         In accordance with Rule 13d-1(k) promulgated under the Securities
Exchange Act of 1934, as amended, the persons named below agree to the joint
filing on behalf of each of them a Statement on Schedule 13D (including
amendments thereto) with regard to the common stock of Alamosa PCS Holdings,
Inc., and further agree that this Joint Filing Agreement be included as an
Exhibit to such joint filings. In evidence thereof, the undersigned, being duly
authorized, hereby execute this Agreement as of the 16th day of February, 2000.



                                             ROSEWOOD TELECOMMUNICATIONS,
                                             L.L.C.


                                             By: /s/ C. XXXXXX XXX
                                                 -------------------------------
                                                 C. Xxxxxx Xxx
                                                 Senior Vice President

                                             ROSEWOOD FINANCIAL, INC.


                                             By: /s/ C. XXXXXX XXX
                                                 -------------------------------
                                                 C. Xxxxxx Xxx
                                                 Senior Vice President

                                             DFL INVESTING, INC.


                                             By: /s/ C. XXXXXX XXX
                                                 -------------------------------
                                                 C. Xxxxxx Xxx
                                                 Senior Vice President

                                             THE ROSEWOOD CORPORATION


                                             By: /s/ C. XXXXXX XXX
                                                 -------------------------------
                                                 C. Xxxxxx Xxx
                                                 Senior Vice President

                                             XXXXXXXX XXXX TRUST ESTATE


                                             By: /s/ XXX X. XXXXX
                                                 -------------------------------
                                                 Xxx X. Xxxxx
                                                 Trustee