Area Code Atlas

NPA 803 established for all of South Carolina

Area code 803 was established in 1947 as South Carolina's original area code, covering the entire state. It remained the sole area code for 48 years before subsequent splits and overlays.

NPA 864 split from 803

Area code 864 was created in 1995 by splitting the Upstate region from area code 803, reducing 803's coverage to the central part of South Carolina.

NANP-SPLIT OF 803 (SOUTH CAROLINA) NUMBERING PLAN AREA (NPA)

NPA 864 split from 803

Area code 864 was created on December 3, 1995, in a geographic split from area code 803. The new code served the Upstate region, including Greenville, Spartanburg, and Anderson, while 803 continued to serve central South Carolina.

NANP-Split of 803 (South Carolina) Numbering Plan Area (NPA)

NPA 843 split from 803

Area code 843 was created in 1998 by splitting the Lowcountry region from area code 803, further reducing 803's coverage to the Midlands.

NPA 843 split from 803

Area code 843 was created in March 1998 when area code 803 was split to serve the eastern and southern coastal regions of South Carolina, including Myrtle Beach, Charleston, and Hilton Head. The split was implemented to accommodate the region's growing demand for telephone numbers.

NPA 839 overlay on 803 announced

NPA 839 to Overlay NPA 803 (South Carolina)

NPA 839 approved as overlay for 803

Area code 839 was approved by the South Carolina Public Service Commission in 2019 as an all-service overlay for the 803 region to address number exhaustion.

Permissive dialing begins for overlay 839

A permissive dialing period began in October 2019 in the 803 numbering plan area to prepare for the overlay of area code 839, allowing both seven- and ten-digit dialing.

NPA 839 overlays 803

Area code 839 was introduced as an overlay to 803 in 2020, providing additional numbering resources for central South Carolina. The overlay required ten-digit dialing for local calls within the region.

Mandatory ten-digit dialing begins in 803/839 overlay area

Ten-digit dialing became mandatory in the 803/839 overlay numbering plan area in April 2020 following the activation of the 839 overlay code.

Overlay 839 activated over 803

Area code 839 was activated as an all-service overlay for the 803 numbering plan area in April 2020, making ten-digit dialing mandatory in the region.

NPA 839 overlays 803

Area code 839 was activated as an all-service overlay for the 803 region in May 2020, allowing new numbers in the same geographic area to be assigned either code.