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The National Broadband Map (NBM) is a project of the National Telecommunications and Information Administration's (NTIA) State Broadband Initiative. The State Broadband Initiative also includes the State Broadband Data and Development grant program, which implements the joint purposes of the American Recovery and Reinvestment Act and the Broadband Data Improvement Act. The Broadband Data Improvement Act envisioned a comprehensive program, led by state entities or non-profit organizations working at their direction, to facilitate the integration of broadband and information technology into state and local economies. Since accurate data is critical for broadband planning, an important purpose of the SBDD program is to support states in gathering data twice a year on the availability, speed, and location of broadband services, as well as the broadband services that community institutions, such as schools, libraries and hospitals use. NTIA has awarded funding to all awardees to support five years of data collection, twice per year. This is the data used to populate the NBM.

About area

The area highlighted in the search results map is the census block or road segment which most closely matches the address or area you searched. If you chose a city, county or zip code, the results will include information about the availability for the census block in the center of the area searched.

The data on the National Broadband Map is displayed at the census block-level for all census blocks that are less than two square miles in size. For census blocks that that are larger than two square miles, the data is displayed by road segment.

Wireline Providers, Technologies and Speeds

Wireline Technologies include DSL (Asymmetric and Symmetric), Copper, Cable (Cable Modem DOCSIS 3.0 and Cable Other), Optical Fiber and Electric Powerline.

The National Broadband Map displays wireline broadband availability based on the census block returned by an individual search.

Wireless Providers, Technologies and Speeds

Wireless Technologies include Terrestrial Fixed Licensed, Terrestrial Fixed Unlicensed, Terrestrial Mobile, and undefined or "Other" wireless technologies. The National Broadband Map does not display satellite technology, as submissions of this data were inconsistent.

Wireless shapes given by broadband providers are amoebic and do not follow geographic boundaries. For the purposes of calculating broadband availability statistics for a particular geography, the National Broadband Map uses the latitude and longitude of a search to determine that point's wireless availability. For points falling entirely within a wireless shape, it is assumed that the entire population has availability with the attributes (provider, technology, speed, etc.) assigned to that shape. For points falling partially within the shape, between 0 and 100% of the population has the attributes assigned to that wireless shape.