Area Code 305: Get a Miami Phone Number

305 · Miami

What is the area code for Miami?

The area code for Miami, Florida is 305, with overlay codes 786, 645 sharing the same geographic footprint. The 305 area code is a North American Numbering Plan geographic code assigned in 1947, covering the Miami-Dade and Florida Keys region. It serves approximately 2,700,000 residents on the Eastern Time (ET) (UTC-5 / UTC-4 DST).

The 305 area code has 783 assigned central-office prefixes (NXX codes, the three digits after the area code) across 5 rate centers, with numbers allocated to roughly 41 carriers.

At 783 of the ~792 usable central-office prefixes, the 305 area code has about 99% of its numbering capacity assigned, and that near-exhaustion is part of why overlay codes 786, 645 were added to the region. See how 305 compares in our NXX prefix allocation analysis across 338 US area codes. (Prefix data: localcallingguide.com / NANPA, 2026.)

Where is area code 305? Location and map area

Area code 305 is located in Florida, the United States. Its coverage area centers on Miami and spans the Miami-Dade and Florida Keys region. If you received a call from a 305 number, the caller's number was assigned in this area — though with number porting and virtual numbers, the person may be calling from anywhere.

The 305 location sits in Eastern Time (ET), so local business hours run roughly 9 a.m.–5 p.m. ET. Neighboring Florida area codes include 239, 321, 352.

For the full story — every city covered, overlay history, and local scam patterns — read the complete Miami area code guide.

All Miami area codes

Miami is served by 3 area codes across the metro area. 305 is the original 1947 code; the others were added as overlays or for surrounding suburbs.

• 305 (current page) — Miami-Dade and the Keys (1947 original)
• 786 — Miami-Dade overlay (786 over 305, since 1998)
• 954 — Broward County — Fort Lauderdale, Hollywood, Pompano

Cities served by the 305 area code

The 305 area code covers 6 major cities and towns across the Miami-Dade and Florida Keys region (FL):

Businesses across Miami and surrounding cities use 305 numbers to project local presence and lift call answer rates. Industry studies of local presence dialing consistently report answer-rate gains of 20–40% over toll-free or out-of-area numbers — a caller ID that matches the recipient's region looks familiar and gets picked up.

305 area code time zone and business hours

The 305 area code is in the Eastern Time (ET) zone (UTC-5 / UTC-4 DST). Standard business hours in 305 run 9 AM to 5 PM ET.

If you're calling into 305 from a different time zone, factor in the offset. For example, an Eastern Time business calling 305 at 9 AM ET reaches Miami at local time — likely outside standard business hours.

History of the 305 area code

The 305 area code was one of the original 86 area codes assigned in 1947 when the North American Numbering Plan was first deployed. As Miami grew and number demand increased, overlay codes 786, 645 were added to serve the same geographic region — a common solution that avoids forcing existing subscribers to change their numbers.

• 1947 305 entered service (one of the 86 original NANP area codes)
• 1998 786 added to serve the same region
• 2023 645 added to serve the same region

The 305 area code in popular culture

305 is Miami's cultural calling card, immortalized by rapper Pitbull ('Mr. 305'). The code appears in song titles, magazines (305 Magazine), and is a recognizable identifier for Miami-Dade County across South Florida media.

Is the 305 area code safe? Spam and scam calls

305 is a legitimate geographic area code for Miami — it is not a scam code or a premium-rate prefix, and a call from a 305 number is most likely a genuine local caller. The risk is not the area code itself but a tactic called neighbor spoofing: scammers fake their caller ID so an unwanted call appears to come from your own area code, because people answer familiar numbers more readily.

If you get an unexpected 305 call, a few signals point to a likely scam — a pre-recorded message, urgent pressure to act now, a demand for payment by gift card or wire transfer, or anyone asking for passwords, Social Security, or account numbers. Let suspicious calls go to voicemail, never share personal information, and report fraud to the FTC at reportfraud.ftc.gov.

The FCC consumer guide on spoofing explains your rights under the Truth in Caller ID Act. A real Miami business will leave a clear voicemail and will not pressure you.

US carriers verify caller ID with the STIR/SHAKEN framework, which flags many spoofed numbers as "Spam Likely" before they ring. DialPhone 305 numbers are registered for STIR/SHAKEN attestation, so calls from your business are verified as genuine and reach customers without a false spam label. See the DialPhone guide to VoIP security for more.

Why get a 305 area code number for your business?

Getting a 305 number gives your business three measurable advantages over a toll-free or out-of-area number:

1. Local trust signal. Customers in Miami recognize 305 as their home area code. Caller ID matching builds immediate credibility for service businesses, sales outreach, and patient communication.
2. Higher answer rate. Calls from a familiar local area code are answered far more often than unknown or toll-free numbers — industry measurements of local presence dialing put the lift at 20–40%, which matters most for outbound sales, appointment confirmations, and time-sensitive service callbacks.
3. Targeted marketing. Businesses serving Miami and the broader Miami-Dade and Florida Keys can advertise a local number across print, radio, billboards, and digital channels for higher conversion than a national 800 number.

For businesses in Miami and surrounding cities, top industries that benefit from local 305 presence include Hospitality, Real Estate, and Healthcare. DialPhone's AI receptionist is available for every 305 number — never miss a call, even after standard business hours.

How to get a 305 area code number

Setting up a 305 business number with DialPhone takes under 10 minutes:

1. Sign up for a DialPhone plan. Choose any plan starting at $24/user/month. Free 14-day trial, no credit card required.
2. Search available 305 numbers. Filter the DialPhone number inventory by area code, city, or pattern.
3. Choose your number and configure. Assign your new 305 number to a user or team, set up call routing, voicemail, AI receptionist, and business SMS.
4. Port your existing number (optional). Already have a 305 number? Free number porting in 2 to 5 business days with zero service interruption.

New to local numbers? The complete guide to getting a local phone number covers choosing the right area code, porting an existing line, and avoiding spam flags.

305 area code overlay codes

The Miami-Dade and Florida Keys region is served by multiple overlay area codes:

Area Code	Coverage
305	Primary area code for Miami-Dade and Florida Keys, assigned 1947
786	Overlay — same geography (assigned 1998)
645	Overlay — same geography (assigned 2023)

All overlay codes serve the same Miami region. New subscribers may be assigned any available code; existing numbers retain their original prefix.

AI receptionist for 305 area code businesses

Every DialPhone 305 number includes optional AI receptionist coverage, available 24/7. The AI handles calls when your team is unavailable — answering common questions, booking appointments, routing urgent callers to on-call staff, and capturing voicemail with full transcription and intent tagging.

For businesses in Miami that handle high call volume, run extended hours, or need bilingual support (especially valuable in multilingual metros like Miami), the AI receptionist reduces voicemail backlog and improves first-call resolution.

HIPAA-compliant 305 numbers for healthcare

Miami has one of the largest healthcare systems in Florida. DialPhone signs HIPAA Business Associate Agreements on the Advanced plan ($34/user) and above, covering all 305 area code phone numbers, business SMS, and AI receptionist features.

Medical practices, telehealth groups, and behavioral health providers in the Miami-Dade and Florida Keys region can use DialPhone 305 numbers for patient calls, appointment reminders, and post-visit follow-up. See the DialPhone healthcare solutions page for compliance details.

All area codes in Florida

Florida has 23 active geographic area codes. The 305 area code is part of the same numbering plan as the codes listed below — calls between them are typically local within the state, depending on the carrier.

Nearby area codes

Related area codes in Florida and the Eastern Time (ET) region:

• 239 area code — Fort Myers, Florida
• 321 area code — Orlando, Florida
• 352 area code — Gainesville, Florida
• 386 area code — Daytona Beach, Florida
• 407 area code — Orlando, Florida
• 561 area code — West Palm Beach, Florida

All Florida area codes → · Browse all US area codes →

More area codes: ← 304 Charleston · 306 Saskatoon →

How this page is verified

DialPhone re-verifies every area code page every 90 days. Area code geography, timezone, and overlay data come from the official North American Numbering Plan Administration (NANPA) database. Pricing reflects the published DialPhone plan tiers — see the pricing page for current details. Number availability varies; check the DialPhone signup flow for live inventory in the 305 region.

What to know before getting a 305 number

• Number availability is finite. Popular Miami area codes can be inventory-constrained — request specific vanity patterns early.
• Porting timing varies. Most 305 ports complete in 2-5 business days; complex multi-line legacy contracts can take 7-10.
• HIPAA tier required for healthcare. The Core $24 plan doesn't include a BAA — healthcare users need Advanced ($34) or above.

How to get a Miami phone number →