Hialeah is one of Florida’s largest cities and the heart of Miami-Dade’s Cuban-American community, where Spanish is the everyday language for most residents. It shares the same three area codes as neighboring Miami. This guide breaks down Hialeah’s 305, 786, and 645 codes, the required 10-digit dialing, major ZIP codes, and the scam calls that frequently target the area.
Hialeah Area Codes at a Glance
| Detail | Information |
|---|---|
| Primary Area Code(s) | 305 / 786 |
| Overlay Area Code(s) | 645 |
| Time Zone | Eastern Time (ET) – EST / EDT |
| Major County | Miami-Dade County |
| Dialing Format | 10-digit dialing required |
Area Code Breakdown & District Mapping
305 – Miami-Dade Original Code
Area code 305 is the original Miami-Dade code and covers Hialeah just as it does the rest of the county. Dating to 1947, it remains the most recognizable code across South Florida.
786 – Miami-Dade Overlay
Area code 786 is the 1998 overlay for Miami-Dade, shared across Hialeah and every other city in the county. Many newer Hialeah lines carry a 786 prefix.
645 – Newest Miami-Dade Overlay
Area code 645 is the newest Miami-Dade overlay, adding capacity for Hialeah and the wider county. A 645 number is fully local to existing 305 and 786 lines.
Neighborhoods & Local Coverage
Hialeah’s area codes cover a densely populated grid of neighborhoods, from the bustling commercial strips of Downtown Hialeah and West Hialeah to the residential blocks around Amelia and Palm Springs North. The city is known for its close-knit, working-class community and one of the highest concentrations of Spanish speakers of any U.S. city.
The same 305/786/645 codes extend to adjacent communities like Hialeah Gardens and Miami Lakes, blending seamlessly into the greater Miami-Dade numbering area. Because the entire county shares these three overlapping codes, Hialeah residents dial the same way as their neighbors in Miami and Miami Beach.
Local Dialing Rules & International Format
Like all of Miami-Dade, Hialeah requires 10-digit dialing for every local call — dial the area code plus the 7-digit number. Seven-digit dialing does not work anywhere in the county.
To call Hialeah from outside the United States, dial your country’s exit code, then the U.S. country code +1, followed by the 10-digit number (for example, +1 305 XXX-XXXX). From inside the U.S. and Canada, simply dial 1 before the 10-digit number for long-distance calls.
Major ZIP Codes Covered
The 305 / 786 service area spans many of Hialeah’s core ZIP codes, including 33010, 33012, 33013, 33014, 33015, 33016, and 33018.
Spam & Scam Call Warnings in Hialeah
Hialeah residents report a high volume of Spanish-language robocalls spoofing local 305 prefixes, often impersonating utilities, immigration authorities, or banks. Fake prize and lottery scams are also common.
| Scam Type | What to Watch For |
|---|---|
| Neighbor Spoofing | Calls that mimic a local 305 prefix to look familiar. |
| Utility / Toll Scams | Threats to shut off power or demand toll payment via gift cards. |
| IRS / Immigration | Robocalls claiming legal action — government agencies never call to demand instant payment. |
Red flag: Any caller who pressures you to pay immediately with gift cards, wire transfers, or cryptocurrency is almost certainly running a scam. Hang up and verify through an official number.
↑ See the complete list of All US Area Codes by State for every code across the country.
Nearby & Related Florida Cities
Frequently Asked Questions
What area code is Hialeah, FL?
Hialeah shares Miami-Dade’s three area codes: 305, 786, and the newest overlay 645.
Does Hialeah have the same area code as Miami?
Yes. Hialeah and Miami are both in Miami-Dade County and share 305, 786, and 645.
Do I need to dial 10 digits in Hialeah?
Yes. All local calls in Hialeah and the rest of Miami-Dade require 10-digit dialing.
What time zone is Hialeah in?
Hialeah is in the Eastern Time Zone (EST/EDT), the same as the rest of South Florida.
Stay Safe & Explore More
- Verify an unknown caller in our Scam Alerts directory.
- Comparing nationwide numbers? See our Toll-Free Numbers guides.