Area code 813

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Area code 813 is an area code in the North American Numbering Plan (NANP) for the city of Tampa, Florida, and surrounding areas such as Zephyrhills and Oldsmar.

Pending complete exhaustion of central office prefixes in area code 813, area code 656 has been assigned to form an overlay plan with 813 on November 16, 2021.[1]

Service area[edit]

Area code 813 is assigned to a numbering plan area (NPA) that comprises all of Hillsborough County, the city of Oldsmar in Pinellas County, and the central and southeastern portions of Pasco County. The northeastern portion of Pasco County has area code 352, while the western portion uses area code 727.

History[edit]

Area code 813 became Florida's second area code in 1953, when numbering plan area 305, which originally comprised all of the State of Florida, was split.[2] The new number plan area stretched along the Gulf Coast from Pasco County to Collier County and included the cities of St. Petersburg, Sarasota, Fort Myers, and Lakeland.

On March 3, 1996, thirteen counties south and east of Hillsborough County, from Manatee County to Collier County, split from the numbering plan area 813 after 39 years in the coverage area and were assigned area code 941.

Although the 1996 split was intended to be a long-term solution, within only two years, 813 was close to exhaustion again because of the rapid growth of telephone service in the Tampa Bay area and the proliferation of cell phones and pagers. The Florida Public Service Commission decided to assign area code 727 as another area code for the region. It was originally planned to be an overlay on 813. However, overlays were still a new concept, and the mixing of area codes in the same region, and the resulting requirement for ten-digit dialing, met considerable resistance. As a result, the area of most of Pinellas County (except Oldsmar) and western Pasco County were split off on February 1, 1999 and received area code 727.[3]

Oldsmar kept area code 813 despite being in Pinellas. Oldsmar was a tributary service area to the Tampa area, and tributary routes were in general not cut across NPA boundaries. Oldsmar is also located on the Pinellas/Hillsborough line, and was the only local exchange that was a local call to both cities. Most of the dialup Internet access numbers and alarm system reporting numbers in Tampa and St. Petersburg were located in Oldsmar. GTE and the Florida Public Service Commission wanted to spare alarm companies and ISPs the cost of reprogramming and replacing systems that could not handle 10 digit dialing.[citation needed]

Available numbers for area code 813 are expected to be exhausted during the third quarter of 2022.[4] As a result, the North American Numbering Plan Administrator proposed an "all services overlay", which was approved by the Florida Public Service Commission on March 31, 2020. The new area code 656 is scheduled for initiation of service on November 16, 2021, but only after all available central office prefixes of 813 have been assigned.[5][6]

Starting mid-April 2021, permissive dialling will start; come mid-October 2021, recorded messages will inform callers of the new 10-digit local calling procedure if they should dial incorrectly. Anyone with 813 numbers can stick with it.

See also[edit]

References[edit]

  1. ^ "PL 541: NPA 656 to Overlay NPA 813 (Florida)" (PDF). North American Numbering Plan Administrator. 2020-06-29. Retrieved 2020-08-25.
  2. ^ DEMAND FORCES SOUTHERN BELL TO MAKE A SWITCH IN AREA CODES" The Orlando Sentinel, Sept. 1 1986
  3. ^ http://www.nanpa.com/pdf/pl-nanp-121.pdf
  4. ^ Turner, Jim. [1] "Tampa may get a new area code"], Creative Loafing, Tampa, Florida, Mar 24, 2020
  5. ^ NANPA Planning Letter 541 June 26, 2020.
  6. ^ Tampa-Hillsborough to get a new area code. Say hello to the 656., Tampa Bay Times, May 8, 2020. Retrieved, May 8, 2020.

External links[edit]

Florida area codes: 239, 305/786, 321, 352, 386, 407/689, 561, 727, 754/954, 772, 813, 850, 863, 904, 941
North: 352
West: 727 Area code 656/813 East: 863
South: 941