- City / exchange
- Miami
- Province / state
- Florida
- Country
- United States
- Carrier
- U.s. Telepacific Corp. dba Tpx Communications
- Line type
- Landline or business line
- OCN
- 671J
- Status
- In Service
- Assigned
- 03/19/2026
- Number pooling
- Yes (block shared between carriers)
645-253 phone numbers
Miami, Florida, United States · U.s. Telepacific Corp. dba Tpx Communications
Reported numbers in 645-253
No numbers in this block have been reported by visitors yet.
What does the 645-253 prefix tell you?
Every North American number is area code + prefix + line. The prefix 645-253 was assigned to U.s. Telepacific Corp. dba Tpx Communications on 03/19/2026 for the Miami exchange. A call from this block usually originates from a U.s. Telepacific Corp. dba Tpx Communications customer in or near Miami, but caller ID can be spoofed to show any number.