NEW YORK ( TheStreet) -- As New York City begins to recover from widespread flooding and power outages caused by Hurricane Sandy, the storm may prove to be a pivotal test of the fast consolidating U.S. telecom sector.

As of Wednesday morning, Hurricane Sandy is reported to have hit the infrastructure of the nation's largest carriers. According to Reuters, the nation's leading carrier and New York-area powerhouse Verizon ( VZ), may have come out of the storm with the worst damage after flooding and power outages hit the company's offices in Lower Manhattan, Queens and Long Island.

Competitor AT&T ( T) is also reported to have been impacted by the storm, in addition to recently acquired Sprint ( S) and industry fourth player T-Mobile, which announced a merger with MetroPCS ( PCS) earlier in October.

According to industry analysts, Sandy may have an immediate economic impact for the nation's largest carriers. Meanwhile, the industry was already braced for a pivotal six-to-12 months earnings test as the ramifications of consolidation on wireless service pricing becomes clearer and investors get more data on the interplay between profit margins and Apple ( AAPL) iPhone 5 subsidies.

Sandy may also delay plans of some carriers to bolster the capacity of their networks as consumers flock to high-data-use smartphones like the iPhone, Google ( GOOG)-Android powered devices and Microsoft's ( MSFT) recently launched Windows 8 ecosystem.

Late on Tuesday, Evercore Partners telecom analysts led by Jonathan Schildkraut put out initial calculations on the impact of Sandy on telecoms, highlighting key earnings and service scenarios. Evercore Partners echoed media reports of flooding, power outages and service disruptions, while putting out an early estimate of the financial impact of Sandy for some carriers.

"While it's still too early to determine how much the storm could impact the carriers financially, we do look at last year's storm, Irene, as a guide. Irene (in addition to Tropical Storm Leo) -- which notably impacted Verizon's total footprint - led to roughly a 5-cent impact to 2011 EPS and slower FiOS customer growth in the third quarter of 2011 . For 4Q12, we believe Sandy could have ramifications for VZ's FiOS net add guidance of 150-170 per quarter and 4Q EPS," wrote Schildkraut.

The analyst also said he sees a potential impact on Sprint, as it tries to use $8 billion in new capital from its acquisition by Japan's Softbank to bolster its network and draw closer to industry leaders in smartphone service. Notably, the company may see a slowing in its multi-year, multi-billion dollar Network Vision service upgrade.

" For Sprint , we believe the storm could insert further delays into the company's already pushed-out network vision plans (12,000 cell sites by the end of 1Q13)," wrote Schildkraut.

While cellular and data service has been slowed by Hurricane Sandy, the storm is also likely to prove some gains made by carriers. As of Wednesday morning, few areas reported complete outages as happened during the terrorist attacks on Sept. 11, 2001. Amid power widespread outages, relatively steady smartphone service has also been a crucial aid to many.

Still, the impact of Sandy will test test overall communications infrastructure in the mid-Atlantic and Northeast. TheStreet reported that FCC Chairman Julius Genachowski says Sandy has affected 25% of all cellular phone service, from major cell providers, in more than 150 East Coast counties. Broadband internet and cable providers like Time Warner Cable ( TWC) and Cablevision ( CVC) have also reported outages.

Wednesday afternoon reports from NBC indicate cell service in Lower Manhattan is deteriorating as backup generators on cell towers run out of power.

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