How to Call Argentina from the US — Country Code +54
Argentina's country code is 54 (also written as +54 or 0054). To call Argentina from the United States, dial 011 + 54 + area code + local number from a US landline, or +54 + area code + local number from a mobile phone. Drop the leading 0 from the local number. Kinvo connects any Argentina number from your browser at $0.52/min — no app, no subscription. For the dialing code itself and number-format reference, see the Argentina country code page.
Argentina uses a 2-4 digit area code followed by a 6-8 digit local number — Buenos Aires is 11 (domestic 011), Córdoba is 351, Rosario is 341. The dialing quirk that catches almost everyone: when calling an Argentine mobile from abroad you must insert a "9" between the country code and the area code (e.g. +54 9 11 1234 5678), and drop the domestic "15" mobile prefix. Landlines do not need the 9. Drop any leading 0 from area codes when dialing internationally.
Dial Argentina from the US
011 is the US international exit code. 54 is Argentina's country code. On a mobile phone, replace 011 with + (hold the 0 key).
Dialing Quick Reference
How to Dial Argentina From the US — Step by Step
Dial 011 + 54 + area code + local number
From a US landline or carrier cell phone, dial 011 54 + local number. On a mobile phone you can replace 011 with +, giving +54 + local number. If the local Argentina number starts with a leading 0, drop that 0 when dialing internationally.
Sign up for Kinvo
Create an account at kinvophone.com. Setup takes under a minute — no install required.
Add credits (from $5)
With $5 in credits, you can talk for approximately 9 minutes to Argentina. Credits never expire.
Dial and call
Open the Kinvo dialer, type +54 followed by the local number, and click Call. Allow microphone access when prompted. Your call connects in under 3 seconds with HD audio quality.
What it costs
Calls to Argentina with Kinvo start at $0.52/min plus a one-time $0.05 connection fee per answered call. No subscription, no minimums.
See the full rate breakdown for ArgentinaArgentina Area Codes — Worked Examples
Here is how to convert a domestic Argentina number into the international format Kinvo accepts:
| City | Domestic | Dial from abroad |
|---|---|---|
| Buenos Aires | 011 XXX XXXX | +54 11 XXX XXXX |
| Córdoba | 0351 XXX XXXX | +54 351 XXX XXXX |
| Rosario | 0341 XXX XXXX | +54 341 XXX XXXX |
| Mendoza | 0261 XXX XXXX | +54 261 XXX XXXX |
| La Plata | 0221 XXX XXXX | +54 221 XXX XXXX |
| Mar del Plata | 0223 XXX XXXX | +54 223 XXX XXXX |
Why Americans Call Argentina
There are ~250,000 Argentine Americans — most concentrated in Florida, New York, California, and Texas.
Family & diaspora
Argentine families in Miami, New York and Los Angeles regularly call Buenos Aires and Córdoba for birthdays, mate-time check-ins, and to follow Boca and River matches together via phone during football season.
Business
US-Argentina business calling is concentrated in agriculture, lithium and energy (YPF, Pampa Energía partnerships), software (Globant, Mercado Libre, fintech), and US universities collaborating with UBA and Universidad de Buenos Aires.
Travel
Travelers headed to Buenos Aires, Patagonia or Mendoza wine country call ahead for hotel confirmations, hostel bookings in the Palermo barrio, and to reach travel agents arranging Iguazú Falls or Perito Moreno glacier tours.
Good to know: Argentines often answer "¿Hola?" rather than identifying themselves. Business hours are 9 AM–6 PM with a long lunch (often 1–3 PM); calling 12–2 PM Buenos Aires time is generally avoided.
Best time to call: 8 AM–11 AM US Eastern = 9 AM–12 PM in Buenos Aires (same time zone as the US East Coast in summer; one hour behind in winter — Argentina does not observe DST).
How to Call Argentina From iPhone, Android, or a Landline
From an iPhone
Open the Phone app, press and hold 0 until a + appears, then type 54 followed by the local Argentina number. Or use Kinvo in Safari — no dialer permissions needed.
From Android
Open your Phone app, long-press 0 to get +, then dial +54 + the number. In Chrome, open kinvophone.com and call directly without touching your carrier plan.
From a US Landline
Landlines don't have a + key, so use the full exit code: 011 54 then the local number. Check with your phone provider that international calling is enabled to avoid blocked calls.
How to Call Argentina For Free
If the person you're calling in Argentina has a smartphone with internet access, the cheapest way to call them is free: use WhatsApp, FaceTime, Telegram, Signal, or Google Meet. Both sides need the same app, and calls travel over the internet rather than the phone network — no per-minute fees, no country code needed.
For calling any regular Argentina landline or mobile number — the kind that requires dialing +54 — there is no truly free option, because someone has to pay the termination fee to connect the call. Kinvo is the lowest-cost option for dialing Argentina phone numbers, starting at $0.52/min with no subscription, compared to $1–$3/min at most US carrier rates.
Argentina Calling Tips
Argentine numbers include area codes of varying length. Buenos Aires area code is 11. For mobile numbers from abroad, dial +54 followed by the area code and the 8-digit number (omit the 15 prefix used domestically). Argentina uses a single time zone (UTC-3) and does not observe daylight saving time.
Why Calls to Argentina Sometimes Fail (and How to Fix Them)
When a call to Argentina doesn't go through, the cause is almost always one of four issues — not the network. The most common is forgetting to drop the leading 0 from the local number after entering +54. Domestic Argentina numbers are written with that 0 at the start; that 0 is the trunk prefix and has no role in international dialing. Dial +54 11 directly, with no 0 in between.
The second is using the wrong exit code from the US. The North American Numbering Plan uses 011 — not 00, which is the international exit code most European countries use, and not the + sign on a landline (which has no + key). From a US mobile, holding the 0 key produces +; that's functionally identical to dialing 011 and works on any GSM or CDMA network worldwide. The third is dialing while your US carrier's international calling is disabled — some pre-paid plans block outbound international calls by default, and you need to call your carrier to enable it (often free, sometimes a small monthly add-on). The fourth is mistaking a +54 number for a fixed-line when it's a mobile or vice versa — the rate difference can be 2-5x, so confirm the number type before long calls.
Argentina's domestic time zone matters for whether anyone picks up. Most Argentina households answer between roughly 8 AM and 9 PM local time; for US callers, 8 am–11 am us eastern = 9 am–12 pm in buenos aires (same time zone as the us east coast in summer; one hour behind in winter — argentina does not observe dst) tends to be the best window.Government offices, banks, and most businesses observe local public holidays and may close early on the day before a major holiday — calls placed during those windows will go to voicemail or unanswered ring regardless of dialing format.
On cost: a 30-minute call to Argentina via direct-dial from AT&T, Verizon, or T-Mobile costs $30–$90 depending on whether you have an international add-on. The same call through Kinvo costs $15.65 with no monthly fee. WiFi calling on your phone routes the call through your carrier and bills at carrier rates — it does not save you money on international calls (see WiFi calling vs VoIP).
Frequently Asked Questions
How do I dial Argentina from the US?
From a US mobile phone, dial +54 followed by the local Argentina number (long-press the 0 key to get the + sign). From a US landline, dial 011 54 and then the number. Drop any leading 0 from the local number.
Is +1 the same as 011?
No. +1 is the country code for the United States and Canada. 011 is the US international exit code used before dialing any foreign country code. To call Argentina from the US, you use 011 + 54, not +1.
How do I call Argentina from an iPhone?
Open the Phone app, press and hold the 0 key until a + appears, then dial +54 followed by the local Argentina number. Or open kinvophone.com in Safari and call directly from the browser at $0.52/min.
Do I need to drop the leading 0 when dialing Argentina?
Yes — when calling from outside Argentina, drop any leading 0 from the local number after entering the country code. The leading 0 is the domestic trunk prefix and is only used for in-country calls.
How can I call Argentina for free?
If the recipient has a smartphone with internet, use WhatsApp, FaceTime, Telegram, or Signal — free over data. For calling any regular Argentina phone number, Kinvo is the cheapest option from $0.52/min.
Can I dial Argentina from my browser without an app?
Yes. Kinvo works entirely in Chrome, Firefox, Safari, or Edge using WebRTC. No download, no SIM swap, no carrier add-on needed — just sign up and dial +54 + the local number.
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