305 area code
Where the 305 area code is, its overlay and how to dial a +1 305 number from anywhere.
The 305 area code is in Miami, Florida, United States (Eastern (ET)). To call from abroad: +1 305 555-0123. It is an overlay, so all 10 digits are dialled.
The 305 area code is a geographic North American Numbering Plan (NANP) code covering Miami, Florida. It has been in service since 01-Jan-1947 and sits in the Eastern (ET) time zone.
How to dial a 305 number
+1 305 555-01231 305 555-0123305 555-0123Cities in the 305 area code
A 305 number is usually in one of these places in Florida — 2 counties.
Other Florida area codes
Frequently asked questions
Where is the 305 area code?
The 305 area code is in Miami, Florida, United States (Eastern (ET)).
Is 305 an overlay area code?
Yes. 305 overlays the same region as 645, 786, so callers dial all 10 digits.
Do I have to dial 10 digits for 305?
Yes — dial the area code plus the seven-digit number.
How do I call a 305 number from another country?
Dial your exit code (or +), then 1, then 305, then the number: +1 305 555-0123.
Source: NANPA numbering plan. An area code covers a region, not a precise address — a 305 number does not pinpoint a street or ZIP code.
Number holders in area code 305
Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 798 prefixes are in use in 305, shared by 29 companies. The largest holders:
| Company | Prefixes | Share |
|---|---|---|
| Bellsouth Telecomm Inc Dba Southern Bell Tel & Tel | 363 | 45% |
| New Cingular Wireless PCS, LLC | 92 | 12% |
| Metropcs, Inc. | 49 | 6% |
| Omnipoint Miami E License, LLC | 43 | 5% |
| Spok, Inc. | 42 | 5% |
| Abc Paging City Beepers, Inc. | 38 | 5% |
Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.
Complaints about 305 numbers
- Reports to the FTC, last 30 days
- 689
- Recorded messages or robocalls
- 65%
- Rank among area codes
- #109 of 670
- Most reported subjects
- Other (279)
- Medical & prescriptions (153)
- Calls pretending to be government, businesses, or family and friends (68)
Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.
Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).
All US area codes United States +1 Map of area code 305 — cities & rate centres