Area Code 305: Comprehensive Overview and Insights

Info: Area code 305 is a crucial part of the North American Numbering Plan (NANP), covering Miami, Florida, Miami-Dade County, and parts of Monroe County in the Florida Keys.

Technical Specifications

  • NPA Code: 305
  • Type: Overlay (with area codes 786 and 645)
  • Implementation Date: 1947
  • State: Florida

Geographic Coverage

Area code 305 serves the vibrant city of Miami, the entirety of Miami-Dade County, and sections of Monroe County, including the picturesque Florida Keys. The mainland portion of Monroe County is covered by area code 239.

Major Cities

CityLatitudeLongitude
Aventura25.95648-80.13921
Carol City25.94065-80.2456
Coral Gables25.72149-80.26838
Coral Terrace25.74593-80.3045
Country Club25.94815-80.317
Cutler Ridge25.58066-80.34672
Doral25.81954-80.35533
Golden Glades25.91176-80.20033
Hialeah25.8576-80.27811
Homestead25.46872-80.47756
Kendale Lakes25.70816-80.407
Kendall West25.7065-80.4388
Key West24.55524-81.78163
Leisure City25.49539-80.42922
West Miami25.76343-80.29616
North Miami Beach25.93315-80.16255
Miami Lakes25.90871-80.30866
Miramar25.98731-80.23227
Norland25.94898-80.21227
North Miami25.89009-80.18671
Richmond West25.6105-80.42971
Richmond Heights25.63149-80.36894
South Miami Heights25.59761-80.38061
Tamiami25.75871-80.39839
West Little River25.85704-80.23699
Westchester25.75482-80.32727

Numbering and Network Statistics

  • Total Numbers Available: Data not provided
  • Utilization Rate: Data not provided
  • Exhaust Projection: Data not provided

Network Infrastructure

Major Carriers

  • AT&T: Market share data not provided
  • Verizon: Market share data not provided
  • T-Mobile: Market share data not provided

Services Offered

  • Landline
  • Wireless
  • VoIP

Regulatory Framework

  • Regulatory Body: Florida Public Service Commission
  • Dialing Requirements: 10-digit dialing is mandatory within the overlay region
  • NANPA Regulations: Compliance with NANPA guidelines for area code overlays and exhaust projections

Historical Milestones

  • 1947: Area code 305 was implemented as part of the original NANP.
  • 1953: Western Florida assigned area code 813.
  • 1965: North Florida assigned area code 904.
  • 1988: East coast of Florida and Orlando area assigned area code 407.
  • 1995: Broward County assigned area code 954.
  • 1998: Area code 786 overlaid on 305.
  • 2001: Monroe County added to area code 786.
  • 2023: Area code 645 activated as an additional overlay.

Conclusion

Area code 305 plays a pivotal role in the telecommunications framework of Miami and its surrounding regions. Its strategic overlays have been essential in accommodating the growing demand for telephone numbers in this dynamic area. For further details, visit the official Wikipedia page on Area Code 305.