Every US area code, explainedUnited States · +1
Area Code Contact ES
Menu
AREA CODE · FLORIDA

Area code 645

Area code 645 covers Miami, Florida. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Florida Major City: Miami Eastern Time (ET) Overlay: 305/645/786
01 / WHERE IT IS

Where is area code 645?

Area code 645 is assigned to Miami and the surrounding region in Florida. Calls to numbers that start with 645 are routed to this area.

Area code 645 shares its territory with 305, 786. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Miami-Dade CountyMonroe County

Line types

  • Mobile 42.65%
  • Landline 57.35%
02 / MAP

Area code 645 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

Loading…

© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Miami

This area code is in the Eastern Time (ET) time zone.

Local timeMiami, FL--:--:--

Loading…

America/New_YorkLive
04 / HOW TO DIAL

How to call Miami

WITHIN THE US645 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 645 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 645 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 645 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 645 555 0123
🇦🇺Australia0011 1 645 555 0123
🇯🇵Japan010 1 645 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 645

Share of the number blocks by carrier and line type.

Landline

Sinch
33%
WIDE VOICE - FL
23%
Eon Telecom
13%
IP Horizon
13%
AT&T
5%
Others
13%

Mobile

AT&T Mobility
48%
T-Mobile USA
17%
Verizon Wireless
10%
Sinch
10%
Boost Mobile
7%
Others
7%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 645

68 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(645) 200 Mobile Miami AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(645) 201 Mobile Miami Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL
(645) 202 Landline Miami SinchONVOY, LLC - FL
(645) 203 Landline Miami Eon TelecomEON TELECOM, INC.
(645) 204 Landline Miami AT&TTELEPORT COMMUNICATIONS AMERICA, LLC - FL
(645) 205 Landline Homestead SinchONVOY, LLC - FL
(645) 206 Mobile Keys AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(645) 207 Mobile Miami AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(645) 208 Landline Miami AT&TTELEPORT COMMUNICATIONS AMERICA, LLC - FL
(645) 209 Landline Keys Eon TelecomEON TELECOM, INC.

Showing 10 of 68 prefixes

07 / FAQ

Frequently asked questions about area code 645

Where is area code 645 used?
Area code 645 serves Miami and the surrounding area in Florida, including Miami-Dade County, Monroe County.
What city is area code 645 from?
The main city of area code 645 is Miami, FL.
What time zone is area code 645 in?
Area code 645 is in the Eastern Time (ET) time zone (America/New_York).
Is 645 an overlay area code?
Yes. It shares its territory with 305, 786. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 645 from the United States?
Dial the 10 digits: 645 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 645 number from another country?
Dial your country's exit code (or +), then 1, then 645 and the seven-digit number. From a mobile you can use +1 645 XXX XXXX.
Which carriers use area code 645?
Most landline blocks belong to Sinch and most mobile blocks to AT&T Mobility. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 645 for landlines, mobiles or both?
Both. About 57.35% of the number blocks are landline, 42.65% mobile.
How do I save a 645 number in WhatsApp or my phone?
Save it in international format: +1 645 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 645?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

Nearby area codes

912Savannah, GA229Albany, GA478Macon, GA854Charleston, SC843Charleston, SC334Montgomery, AL

Other area codes in Florida

239 · Fort Myers305 · Miami321 · Cocoa324 · Jacksonville352 · Gainesville386 · Daytona Beach407 · Orlando448 · Tallahassee561 · West Palm Beach656 · Tampa Central689 · Orlando727 · Clearwater728 · West Palm Beach754 · Fort Lauderdale772 · Port St Lucie786 · Miami813 · Tampa Central850 · Tallahassee863 · Lakeland904 · Jacksonville941 · Sarasota954 · Fort Lauderdale

View all Florida area codes →