Frequently Asked Questions
Pittsburgh, Pennsylvania is primarily served by area code 412.
Area code 412 was implemented in 1947 as one of the original North American area codes.
Area code 724 was split from area code 412 in 1998 to accommodate the increasing demand for phone numbers in the region.
Area code 878 was introduced in 2001 as an overlay to both area codes 412 and 724.
Area code 412 covers Allegheny, Washington, and Westmoreland counties in southwestern Pennsylvania.
Pittsburgh's coordinates within area code 412 are [40.44062, -79.99589].
Major carriers in area code 412 include Verizon, AT&T, T-Mobile, and Comcast.
Area code 412 supports landline, wireless, and VoIP services.
The Pennsylvania Public Utility Commission (PUC) regulates area code 412, ensuring compliance with NANPA guidelines.
Yes, 10-digit dialing has been mandatory in area code 412 since 2001 due to the implementation of the overlay area code.
Area code 878 was overlaid on area code 412 in 2001.
You can find more information at the North American Numbering Plan Administration (NANPA) website: https://www.nationalnanpa.com/
Other cities within area code 412 include Bethel Park, McKeesport, Mount Lebanon, Monroeville, Penn Hills, Plum, Upper Saint Clair, and West Mifflin.
Bethel Park, Pennsylvania is covered by area code 412.
Area code 412 primarily covers Pittsburgh and surrounding areas in southwestern Pennsylvania. This includes parts of Allegheny, Washington, and Westmoreland counties, ensuring broad coverage for the region.
Area code 412 was implemented in 1947 as one of the original North American area codes. It has served Pittsburgh and the surrounding region since its inception.
Pittsburgh has multiple area codes (412, 724, and 878) due to the increasing demand for phone numbers. Area code 724 was introduced in 1998, and 878 was added as an overlay in 2001 to accommodate growth.
Ten-digit dialing is mandatory for all calls within area code 412, including local calls. This was implemented in 2001 to support the 878 overlay area code.
Area code 878 is the overlay for area code 412 (and 724). An overlay means both area codes serve the same geographic area, requiring ten-digit dialing for all calls.
Major carriers in the 412 area code include Verizon, AT&T, T-Mobile, and Comcast. These carriers offer a range of services, including landline, wireless, and VoIP.
Area code 412 is designated as an overlay type. This means it shares its geographic region with other area codes (724 and 878), requiring 10-digit dialing for all calls.
Ten-digit dialing (including the area code) is always required when calling any number within the 412 area code, even for local calls. This practice began in 2001.
The Pennsylvania Public Utility Commission (PUC) regulates area code 412, ensuring adherence to guidelines set by the North American Numbering Plan Administration (NANPA).
The NPA (Numbering Plan Area) code for Pittsburgh, Pennsylvania is 412. This code is crucial for routing calls to the correct geographic area.
The article provides coordinates for several cities within area code 412, including Pittsburgh, Bethel Park, and McKeesport. You can use these coordinates for mapping or location-based services.
Area Code 412: Comprehensive Guide to Pittsburgh's Phone Network
Introduction
Where is Area Code 412 located? Area code 412 is a prominent area code in the North American Numbering Plan (NANP), covering Pittsburgh, Pennsylvania, and its surrounding regions. Known for its historical significance and the bustling city it serves, this area code is vital for residents and businesses alike.
Key Details and Technical Specifications
Geographic Coverage
Area code 412 covers a wide geographic area, including the city of Pittsburgh and parts of Allegheny, Washington, and Westmoreland counties. This ensures comprehensive coverage for a significant portion of southwestern Pennsylvania.
Major Cities Served
Network Infrastructure and Carriers
Area code 412 is supported by a robust telecommunications infrastructure, providing a range of services to meet the needs of its users.
Major Carriers
Services Offered
Regulatory Framework
The Pennsylvania Public Utility Commission (PUC) regulates area code 412, ensuring compliance with the North American Numbering Plan Administration (NANPA) guidelines. Since 2001, ten-digit dialing has been mandatory to accommodate the area code overlay.
Historical Milestones
Conclusion
Area code 412 is integral to the telecommunications landscape of Pittsburgh and its surrounding areas. Its implementation history and regulatory management reflect the region's growth and the increasing demand for connectivity. For more information on area codes and number management, visit the North American Numbering Plan Administration.
For further insights into telecommunications in Pennsylvania, consider reading related articles on area code overlays and the impact of digital communication advancements.