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Sent TeamMar 8, 2026 / area code / Article

Exploring Area Code 305: Miami's Iconic Telecommunication Zone

Area code 305 identifies Miami, Miami-Dade, and parts of Monroe County (including the Florida Keys) within the NANP. It's an overlay with 786 & 645, requiring 10-digit dialing. Established in 1947, 305 serves cities from Aventura (25.95648, -80.13921) to Key West (24.55524, -81.78163). Learn its regulatory framework.

Frequently Asked Questions

What area code is Miami Florida?

What area code is Key West Florida?

What area codes cover Miami-Dade County, Florida?

What is the area code for Coral Gables, Florida?

When was area code 305 created?

Why does Miami have multiple area codes?

What area code was added to Miami in 1998?

What is the most recent area code overlay added to the 305 area?

What is the regulatory body for area code 305?

What counties are covered by area code 305?

Which area code is used in the mainland part of Monroe County, Florida?

Is 10-digit dialing required for calls within area code 305?

What major cell phone carriers operate in area code 305?

What types of phone services are available in area code 305?

What cities are included in area code 305?

How to dial a 305 number correctly?

When was area code 305 first implemented?

What is the geographic coverage of area code 305?

What is an area code overlay?

When should I use 10-digit dialing for 305 numbers?

Can I still get a 305 area code number?

Who regulates area code 305 in Florida?

What telecommunication services are available in area code 305?

What is the significance of area code 305 for Miami?