Caller ID for
Area code 305
Area code 305 Miami, Florida
Area code 305 is one of the original 1947 area codes, in Florida, with numbers assigned in Miami, Florida Keys, Homestead. It’s 12:12 AM there now.
- State
- Florida23 area codes in Florida
- Time zone
- Eastern12:12 AM there now
- Exchanges
- 7853 places
- Overlay
- 645 and 786Same area, 10-digit dialing
- No sign-up
- We never contact the number
- Spam risk included
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Where area code 305 is
Numbers in 305 are assigned to 3 places in 1 county: Miami-Dade County.
Miami holds most of them: 62% of the exchanges.
- Miami488
- Florida Keys138
- Homestead13
Phone companies in 305
785 blocks of numbers in 305 are held by 24 phone companies. The most belong to AT&T (363), AT&T Mobility (92) and T-Mobile (92).
A mix: about 25% wireless, 47% local phone and cable and 27% other carriers, including internet phone services.
A block’s holder is the company it was first assigned to; numbers can move to other carriers since.
History and overlays
305 has been in service since 1947, when the first North American area codes were set up.
645 (since 2023) and 786 (since 1998) share the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.
36 new exchanges were assigned since 2021, the latest in October 2026.
Calling 305
It’s 12:12 AM Eastern time in 305 right now.
From elsewhere in the U.S., dial 1, 305 and the 7-digit number; inside the area, all 10 digits too.
Nearby area codes
Florida has 23 area codes: 239, 305, 321, 324, 352, 386, 407, 448, 561, 645, 656, 689, 727, 728, 754, 772, 786, 813, 850, 863, 904, 941 and 954.
- 754 · Fort Lauderdale, FL · about 27 mi
- 954 · Fort Lauderdale, FL · about 27 mi
- 728 · West Palm Beach, FL · about 57 mi
- 561 · West Palm Beach, FL · about 59 mi
- 239 · Fort Myers, FL · about 109 mi
- 772 · Port St. Lucie, FL · about 112 mi
From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.
Map of the 305 area code
Map of the 305 area code around Miami and Homestead, Florida.
Cities on the map
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Questions about 305
Where is area code 305?
In Florida, covering Miami, Florida Keys and Homestead across 1 county.
What time zone is 305 in?
Eastern time. It was 12:12 AM there when this page loaded.
Is 305 an overlay?
Yes. 645 and 786 serve the same area, so dial all 10 digits for local calls.
Which phone companies have 305 numbers?
24 companies hold blocks; the most belong to AT&T, AT&T Mobility and T-Mobile. About 25% of blocks are wireless.
Is 305 running out of numbers?
Not on record. 36 new exchanges have been assigned since 2021.