Exhibit 32.1

Section 1350 Certification

In connection with the filing of the Quarterly Report on Form 10-QSB for the
Quarter ended September 30, 2005 (the "Report") by Cellular Technical Services
Company, Inc. ("Registrant"), each of the undersigned hereby certifies that:

     1.   The Report fully complies with the requirements of section 13(a) or
          15(d) of the Securities Exchange Act of 1934, as amended, and

     2.   The information contained in the Report fairly presents, in all
          material respects, the financial condition and results of operations
          of the Registrant.

                  By:    /s/Stephen Katz
                         ---------------
                         Stephen Katz
                         Chief Executive Officer
                         November 10, 2005



                  By:    /s/Kenneth Block
                         ----------------
                         Kenneth Block
                         Secretary and Chief Financial Officer
                         November 10, 2005


A signed original of this written statement required by Section 1350 has been
provided to Cellular Technical Services Company, Inc. and will be retained by
Cellular Technical Services Company, Inc. and furnished to the Securities and
Exchange Commission or its staff upon request.
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