EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated March 1, 2000 relating to the financial statements, which appears in the Annual Report on Form 10-K of Evolving Systems, Inc. for the year ended December 31, 1999. /s/ PricewaterhouseCoopers LLP PRICEWATERHOUSECOOPERS LLP Broomfield, Colorado May 17, 2000