Look up any phone number starting with 305 to identify the owner name, address, spam reports, and more. The 305 area code is serving Miami, Florida, Miami-Dade County, and the part of Monroe County in the Florida Keys in the United States.
Enter a full 10-digit number to identify the caller and whether it has been reported as spam.
Federal Data
State Data
County Data
City Data
Phone numbers with this area code prefix originate from Miami, Miami-Dade County, and the part of Monroe County in the Florida Keys.
Area code 305 operates under an overlay system with area codes 786 and 645 , meaning multiple area codes serve the same geographic region. Area code 786 was installed as an overlay on March 1, 1998, initially comprising only Miami-Dade County, with Monroe County added to area code 786 on September 1, 2001. Area code 645 was activated on August 4, 2023. This overlay system necessitates ten-digit dialing for local calls.
Area code 305 is a general purpose code which was placed in service on January 1, 1947.
Our Florida phone number lookup for the 305 area code analyzes the three-digit prefix to identify the initially assigned telecommunications company and rate center. This prefix code data may help to determine the U.S. carrier, Florida geographic region, and local calling area associated with the phone number.
Phone numbers follow the following structure under the North American Numbering Plan:
Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.
| Company | Number of Prefixes |
|---|---|
| BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 361 |
| NEW CINGULAR WIRELESS PCS, LLC - GA | 90 |
| SPRINT SPECTRUM, L.P. | 43 |
| METROPCS, INC. | 19 |
| OMNIPOINT MIAMI E LICENSE, LLC | 19 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 17 |
| XO FLORIDA, INC. | 17 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 15 |
| BANDWIDTH.COM CLEC, LLC - FL | 14 |
| ABC PAGING CITY BEEPERS, INC. | 12 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 11 |
| LEVEL 3 COMMUNICATIONS, LLC - FL | 6 |
| WINDSTREAM NUVOX, INC. - FL | 5 |
| AT&T - LOCAL | 4 |
| COMCAST IP PHONE, LLC | 4 |
| US LEC OF FLORIDA, INC. | 4 |
| ONVOY, LLC - FL | 3 |
| PEERLESS NETWORK OF FLORIDA, LLC - FL | 3 |
| USA MOBILITY WIRELESS, INC. | 3 |
| AT&T CORP. | 2 |
| LEVEL 3 TELECOM OF FLORIDA, LP - FL | 2 |
| ONVOY SPECTRUM, LLC | 2 |
| PAETEC COMMUNICATIONS, INC. - FL | 2 |
| YMAX COMMUNICATIONS CORP. - FL | 2 |
| AMERICAN MESSAGING SERVICES, LLC | 1 |
| BARR TELL USA, INC. - FL | 1 |
| DELTACOM, INC. - FL | 1 |
| LOCAL ACCESS LLC - FL | 1 |
| PROTECTION PLUS THE FL KEYS DBA ENGAGE COMM - FL | 1 |
| SMARTEDGENET, LLC | 1 |
| WINDSTREAM NUVOX, INC. | 1 |
Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.
| Rate Center | Number of Prefixes |
|---|---|
| MIAMI | 407 |
| KEYS | 119 |
| NORTH DADE | 99 |
| PERRINE | 30 |
| HOMESTEAD | 12 |
Browse Florida area codes for phone number lookup: