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Area codes 518 and 838 are telephone area codes serving the northeasternmost part of Upstate New York in the United States. 518 was established …See more
The NANP Administration System (NAS) provides an automated system for processing number resource applications, collecting resource utilization and forecast data and issuing notifications …
The NANP Administration System (NAS) provides an automated system for processing number resource applications, collecting resource utilization and forecast data and issuing notifications to the industry on numbering...
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