North American Numbering Plan Administrator Announces Plan for Additional Area Code in South Carolina

NANPAOctober 10, 2022 – East Brunswick, NJ – Somos, Inc., a leading registry management and data solutions company, serving in its capacity as the Federal Communications Commission‘s neutral third-party North American Numbering Plan Administrator (NANPA), announced today that an additional area code, 821, has been assigned to overlay the existing 864 area code that serves the northern area of South Carolina. This includes the larger cities of Greenville, Spartanburg and Anderson and other smaller communities.

The Public Service Commission of South Carolina approved an area code overlay on September 27, 2022, to ensure the availability of telephone numbering resources. The new 821 area code will cover the same geographic area as the 864 area code.  All existing customers will retain the 864 area code and will not need to change their telephone numbers. Ten-digit local dialing will be required by all customers within the area covered by the 864 and new 821 area codes.

For more information on the North American Numbering Plan Administrator, visit the NANPA website here.  For more information about area code relief planning, visit here.

About Somos, Inc.

As the world becomes more interconnected, Somos enables brands, consumers, and communities to communicate in an environment of greater trust and convenience. Somos is a global source of number administration, routing data, identity verification, and identity management services for the telecommunications ecosystem. As the trusted administrator of the North American Numbering Plan (NANPA), Toll-Free Numbering (TFNA), and the Reassigned Number Database (RNDA), we support over 1,400 service providers in North America and manage over 7 billion numbers to enable seamless communications between enterprises and consumers.

Through our portfolio of products and services, and a collaborative approach in everything we do, Somos helps ensure trust in an increasingly digital world while delivering value, innovation, and results to consumers. To learn more about Somos, please visit

Media Contact:

Heidi Wayman

Manager, Data Management, NANPA



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