Oct 11 (Reuters) - NTELOS Holdings Corp :
* Provides preliminary third quarter 2012 financial and operating results
* Exploring debt refinancing opportunities
* Says reiterates full year 2012 adjusted EBITDA guidance
* Says total gross additions for the third quarter were 42,400
* Says total net additions for the third quarter were 5,500
* Says churn, net for the third quarter was 2.88%
* Says total subscribers as of September 30, 2012 were 430,300
* Says reaffirmed its annual 2012 capital expenditures guidance of between $65.0 and $75.0 million
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