The United States District Court
District of Colorado

Hon. Marcia S. Krieger, Chief Judge
Jeffrey P. Colwell Esq., Clerk of Court

Our mission is to serve the public by providing a fair and impartial forum that ensures equal access to justice in accordance with the rule of law, protects rights and liberties of all persons, and resolves cases in a timely and efficient manner.

Contact the U.S. District Court

Use the links below to locate the desired phone number, address, or courtroom location.

General Numbers

Clerk's Office

United States Probation Office

Alfred A. Arraj United States Courthouse, Room A105 Byron Rogers United States Courthouse
901 19th Street 1929 Stout Street, Suite C-120
Denver, CO 80294-3589 Denver, CO 80294-0101
Clerk's Intake Office: (303) 844-3433 - Option 0 (303) 844-5424
Case Opening Questions: (303) 844-3433 - Option 0  
Attorney Services/Admissions: (303)-335-2060  
Jury: (800) 359-8699  
  Colorado Springs

Case Filing and Docketing Questions

Mail correspondence to Alfred A. Arraj Courthouse
Case Administration Specialists for: 212 North Wahsatch Avenue, Suite 300
Chief Judge Krieger (303) 335-2098
Colorado Springs, CO  80903-3476
Judge Blackburn (303) 335-2360
(719) 471-3387
Judge Brimmer (303) 335-2113  
Judge Arguello (303) 335-2087 Wayne Aspinall Federal Building, Suite 309
Judge Martinez (303) 335-2326 402 Rood Avenue
Judge Jackson (303) 335-2087 Grand Junction, CO 81501-2520
Judge Moore (303) 335-2326 (970) 245-5396
Senior Judge Matsch (303) 335-2045  
Senior Judge Kane (303) 335-2113 U.S. Courthouse, Durango
Senior Judge Babcock (303) 335-2098 103 Sheppard Drive, Suite 202
Senior Judge Daniel (303) 335-2045 Durango, CO 81303-3439
Senior Judge Ebel (303) 335-2045 (970) 385-9564
Visiting Judges (303) 335-2087  
Magistrate Judge Watanabe (303) 335-2074  
Magistrate Judge Shaffer (303) 335-2071  
Magistrate Judge Hegarty (303) 335-2074  
Magistrate Judge Mix (303) 335-2086  
Magistrate Judge Tafoya (303) 335-2086  
Magistrate Judge Wang (303) 335-2071  
Case Administration Specialists for:  
Magistrate Judge West  & Magistrate Judge Gallagher  
Case numbers ending in digits 0-2 (303) 335-2074  
Case numbers ending in digits 3-5 (303) 335-2086  
Case numbers ending in digits 6-9 (303) 335-2071  
   
 Tickets on Federal Property:  
 Denver and Colorado Springs: (303) 844-5475  
 Grand Junction: (970) 241-8932  
 Durango: (970) 259-0542  

 

All Courthouse Hours: 8:00am to 5:00pm, Monday through Friday

 

Judges' Chamber & Courtroom Numbers

Article III Judges

Active

Senior

Hon. Marcia S. Krieger, Chief Hon. Richard P. Matsch
Alfred A. Arraj United States Courthouse A941 / Courtroom A901 Byron White Courthouse / 1823 Stout Street / Courtroom A
(303) 335-2289 (303) 844-4627
   
Hon. Robert E. Blackburn Hon. John L. Kane
Alfred A. Arraj United States Courthouse A1041 / Courtroom A1001 Alfred A. Arraj United States Courthouse A838 / Courtroom A802
(303) 335-2350 (303) 844-6118
   
Hon. Philip A. Brimmer Hon. Lewis T. Babcock
Alfred A. Arraj United States Courthouse A741 / Courtroom A701 Byron G. Rogers United States Courthouse C450 / Courtroom C401
(303) 335-2794 (303) 844-2527
   
Hon. Christine M. Arguello Hon. Wiley Y. Daniel
Alfred A. Arraj United States Courthouse A638 / Courtroom A602 Alfred A. Arraj United States Courthouse A1038 / Courtroom A1002
(303) 335-2174 (303) 844-2170
   
Hon. William J. Martinez Hon. David M. Ebel
Alfred A. Arraj United States Courthouse A841 / Courtroom A801 Byron G. Rogers United States Courthouse C250 / Courtroom C202
(303) 335-2805 (303) 844-3800
   
Hon. R. Brooke Jackson  
Alfred A. Arraj United States Courthouse A938 / Courtroom A902  
(303) 844-4694  
   
Hon. Raymond P. Moore  
Alfred A. Arraj United States Courthouse A641 / Courtroom A601  
(303) 335-2784  
   
   

Magistrate Judges

 
Hon. Michael J. Watanabe  
Alfred A. Arraj United States Courthouse A532 / Courtroom A502  
(303) 844-2403  
   
Hon. Craig B. Shaffer  
Alfred A. Arraj United States Courthouse A432 / Courtroom A402  
(303) 844-2117  
   
Hon. Michael E. Hegarty  
Alfred A. Arraj United States Courthouse A542 / Courtroom A501  
(303) 844-4507  
   
Hon. Kristen L. Mix  
Alfred A. Arraj United States Courthouse A442 / Courtroom A401  
(303) 335-2770  
   
Hon. Kathleen M. Tafoya  
Byron G. Rogers United States Courthouse C251 / Courtroom C201  
(303) 335-2780  
   
Hon. Nina Y. Wang   
Byron G. Rogers United States Courthouse C253 / Courtroom C204  
(303) 335-2600   
   
Hon. David L. West  
P.O. Box 2906  
U.S. Courthouse/Federal Building  
103 Sheppard Drive, Suite 202  
Durango, CO 81303  
(970) 259-0542  
   
Hon. Gordon P. Gallagher  
P.O. Box 3208  
Wayne Aspinall Federal Building  
402 Rood Avenue  
Grand Junction, CO 81501  
(970) 241-8932  

 

Court Reporters

Alfred A. Arraj United States Courthouse, Room A238
901 19th Street
Denver, Colorado 80294-0101
   
Janet Coppock (303) 335-2106
Gwen Daniel (303) 335-2111
Mary George (303) 335-2109
Tamara Hoffschildt (303) 292-1088
Terri Lindblom (303) 628-7877
Darlene Martinez (303) 335-2312
Kara Spitler (303) 623-3080
Tracy Weir (303) 335-2358

 

Interpreters

You can find a complete listing of all certified interpreters working in the state of Colorado, including those who have attained Federal Certification, at the Colorado Judicial Department's Court Interpreter Program website: http://www.courts.state.co.us/Administration/Custom.cfm/Unit/interp/Page_ID/117

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Please be advised that attempts to contact individual judicial officers through the webmaster may be in violation of this court's local rules prohibiting Ex Parte Communications with Judicial Officers: ". . . [A]ll matters to be called to a judicial officer’s attention shall be submitted through the clerk, with copies served on all other parties or their attorneys." See D.C.COLO.LCivR 77.2 and D.C.COLO.LCrR 57.2. Accordingly, other than inquiries regarding technical assistance concerning this web site, all questions regarding new or pending proceedings or any other questions directed to the court should be sent to the clerk's office, in writing, at the address listed above. Inquiries by phone to the clerk's office may be made by calling (303) 844-3433.