NEW YORK (Standard&Poor's) Feb. 13, 2006--Standard&Poor's Ratings Services today raised its ratings on the debt of entities related to wireless telecommunications carrier Alamosa Holdings Inc. The upgrades follow the completion of Sprint Nextel Corp.'s acquisition of Alamosa's equity for about $3.2 billion in cash, plus the assumption of approximately $1.1 billion of debt. All ratings on Alamosa's related entities are removed from CreditWatch, where they were placed with positive implications on Nov. 21, 2005, following the announcement that the company agreed to be acquired by Sprint Nextel. The ratings on Sprint Nextel (A-/Stable/--) were affirmed, as the potential acquisition of some or all of the Sprint affiliates already had been factored into the 'A-' corporate credit