Area Code 813: Coverage, Cities, and Usage in Florida - area-code -

Frequently Asked Questions

Area code 813 primarily covers Tampa, Brandon, Riverview, and Plant City in Hillsborough County. It also extends to parts of Pasco County and uniquely includes Oldsmar in Pinellas County due to its historical ties with Tampa's telecommunications network and to limit issues for businesses and security systems.
According to a Fox 13 News report, area code 813 has become so synonymous with Tampa that it's often called "The 813." The connection is so strong that August 13th (8/13) is even celebrated as "813 Day." This close association reflects the area code's importance to the city's identity.
Area code 656 was implemented in 2022 as an overlay to area code 813. This means both area codes serve the same geographic region, requiring 10-digit dialing for all local calls to ensure accurate routing.
To make a long-distance call from the 813 area code, dial 1 + the 10-digit number you're trying to reach. This includes the recipient's area code plus their 7-digit phone number. This format ensures your call connects properly outside the 813/656 region.
The primary area code for Tampa, Florida, is 813. However, due to population growth, area code 656 was added as an overlay in 2022, meaning both 813 and 656 serve the same geographic area.
Oldsmar, located in Pinellas County, retains area code 813 due to its historical telecommunication links with Tampa. This decision aimed to minimize disruptions for businesses and alarm systems that relied on the 813 prefix.
Dialing any number within the 813 area, even locally, requires 10 digits: the area code (813 or 656) followed by the 7-digit phone number. This practice became standard with the introduction of the 656 overlay.
Area codes near 813 include 727 (Pinellas and western Pasco Counties) and 941 (south of the original 813 territory). These area codes were created as the population grew and the original 813 area was divided.
Introduced in 1953, area code 813 originally covered a much larger part of western Florida. Over time, it was split to create area codes 941 and 727. In 2022, the 656 overlay was added to accommodate growth.
The Florida Public Service Commission (PSC) regulates area code 813. They manage area code assignments, approve new area codes, and oversee dialing plan changes, balancing consumer and provider needs.
Ten-digit dialing became mandatory in the 813 area code with the implementation of the 656 overlay in 2022. This ensures calls are routed correctly as both codes serve the same geographic region.
The 656 overlay means both 813 and 656 serve the same geographic region. This requires residents and businesses to use 10-digit dialing for all local calls, including the area code, ensuring calls connect to the correct number.
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