Capelle aan den IJssel, the Netherlands - 19 January 2017 - AND announced today the release of their ZIP+4 Code Boundaries for the USA. This release includes polygons for the entire United States of ...
Seven-digit dialing is out, 10-digit dialing is in. Starting Sunday, Oct. 24, callers in 82 area codes across 35 states and one U.S. territory will be required to use their three-digit area code ...
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