Area code 580, Telephone prefix in western and southern Oklahoma, United States.
Area code 580 covers western and southern Oklahoma, stretching from Lawton to Ardmore and connecting rural communities, towns, and military installations. The region encompasses a mix of agricultural areas and population centers across several counties.
Area code 580 was created in 1997 when the original 405 code was split due to rising telephone demand. The division followed North American Numbering Plan standards to manage growing service needs across the region.
The telephone prefix connects diverse communities across western and southern Oklahoma, linking military bases, agricultural zones, and commercial districts through a single area code.
All phone calls within the area require ten-digit dialing due to multiple area codes operating across Oklahoma. Understanding this rule helps ensure calls are properly routed to their destinations.
This prefix maintains telecommunications for Fort Sill, one of the largest military artillery training centers in the United States.
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