UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	July 26, 2007 4:15 P.M.

Form:	S-4
CIK: 0001404438 Company Name: Primus Telecommunications IHC, Inc. File Number: 333-144033
CIK: 0001003958 Company Name: TRESCOM INTERNATIONAL INC File Number: 333-144033-08
CIK: 0001006837 Company Name: PRIMUS TELECOMMUNICATIONS GROUP INC File Number: 333-144033-07
CIK: 0001404440 Company Name: Primus Telecommunications, Inc. File Number: 333-144033-06
CIK: 0001404446 Company Name: iPRIMUS.com, Inc. File Number: 333-144033-05
CIK: 0001279676 Company Name: PRIMUS TELECOMMUNICATIONS HOLDING INC File Number: 333-144033-04
CIK: 0001404445 Company Name: iPRIMUS USA, Inc. File Number: 333-144033-03
CIK: 0001404444 Company Name: TresCom U.S.A., Inc. File Number: 333-144033-02
CIK: 0001404442 Company Name: Least Cost Routing, Inc. File Number: 333-144033-01