The Colorado NNAAP examination is administered by Pearson Vue. You can find the regional test sites at which the Skills Evaluation and the Written Examination will be administered here. The Regional Test Site (RTS) code is also shown for use in applying for the NNAAP examination. You need to contact the Pearson VUE Colorado office directly at (888) 274-5050 in order to obtain additional information regarding available examination schedules or accommodation for testing.