Phone Prefix
(305) 421-XXXX
FL • MIAMI
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Carrier Information
NANPA
State
FL
Region
SE
Rate Center
MIAMI
Assigned To
TELEPORT COMMUNICATIONS AMERICA, LLC - FL
OCN
8300
Status
RT
Number Range
First Number
(305) 421-0000
Last Number
(305) 421-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
49 reports
49
Total FCC + FTC DNC complaints for numbers in this prefix
Top 10 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (305) 421-0400 3054210400 | 38 |
| 2 | (305) 421-1880 3054211880 | 1 |
| 3 | (305) 421-3658 3054213658 | 1 |
| 4 | (305) 421-4121 3054214121 | 1 |
| 5 | (305) 421-5234 3054215234 | 1 |
| 6 | (305) 421-5612 3054215612 | 1 |
| 7 | (305) 421-6180 3054216180 | 1 |
| 8 | (305) 421-8000 3054218000 | 1 |
| 9 | (305) 421-8113 3054218113 | 1 |
| 10 | (305) 421-9969 3054219969 | 1 |
About This Prefix
Phone numbers starting with (305) 421 are part of the North American Numbering Plan (NANP). The first three digits (305) represent the Area Code (NPA), and the next three digits (421) represent the Central Office Code (NXX) or exchange.
- NPA (305) - Numbering Plan Area, identifies the geographic region
- NXX (421) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)