🇺🇸International Calling Guide

US Calling Code
is +1

Need to call the United States? The country code is +1. Connect instantly to any US mobile or landline from your browser. No roaming fees, no apps, just crystal-clear voice quality.

How to Dial
Calling United StatesLine Active
🇺🇸

How to Call the USA Step-by-Step

The US follows the North American Numbering Plan (NANP). Here is the standard format for calling from abroad.

1

Exit Code

Dial the exit code for your current country.
00 for Europe/UK.
0011 for Australia.
(Or just use + on mobile/VoIP)

2

US Code (+1)

Dial +1. This is the country code for the United States, Canada, and parts of the Caribbean.

3

Area Code & Number

Dial the 3-digit area code followed by the 7-digit phone number.
Example: 212-555-0199

Understanding US Phone Numbers

US phone numbers always consist of 10 digits (excluding the +1 country code):
3-digit Area Code + 7-digit Subscriber Number.

+1 (AAA) NXX-XXXX

Major US Area Codes

Common area codes for major metropolitan areas in the United States.

CityStateArea Code
New York City (Manhattan)New York212 / 646
Los AngelesCalifornia213 / 323
ChicagoIllinois312 / 773
HoustonTexas713 / 281
MiamiFlorida305 / 786
CityStateArea Code
San FranciscoCalifornia415 / 628
Washington D.C.District of Columbia202
BostonMassachusetts617 / 857
Las VegasNevada702 / 725
AtlantaGeorgia404 / 470

Why Pay Roaming Fees to
Call the USA?

Calling the US from abroad can be expensive with traditional carriers. StartACall uses WebRTC technology to route your call over the internet, offering rates as low at competitive rates.

  • Rates with competitive rates to USA
  • Call any mobile or landline
  • No US phone number needed
  • Pay-as-you-go (No subscriptions)

Best Rates

Often cheaper than local calls in your own country.

Nationwide

Reach any state from Hawaii to Maine instantly.

Secure

Encrypted calls ensure your privacy is protected.

Fast

Connect in seconds directly from Chrome or Safari.

Frequently Asked Questions

What is the country code for the USA?

The country calling code for the United States is +1. You must dial this after your country's exit code (00 or 011) and before the 3-digit area code.

Are calls to USA mobile phones more expensive?

Generally, no. Unlike in Europe and many other parts of the world, the US uses a 'Receiving Party Pays' system. This means calling a US mobile number usually costs the same as calling a landline.

Can I call US toll-free numbers (800) from abroad?

Traditional toll-free numbers (800, 888, 877, 866, 855, 844, 833) often do not work when dialed from outside the US via a regular carrier. However, using StartACall's VoIP service allows you to connect to these numbers over the internet.

Do I need to dial 1 before the area code?

Yes, if you are calling from outside the US, the format is +1 (Area Code) Number. The '1' acts as the country code.

Ready to call the USA?

Start making calls in seconds. No credit card required to sign up.

Country deep dive

Calling United States

Practical reference covering the destination country's dial code, time zone, mobile carriers, city area codes, business etiquette, and any regulatory rules that affect inbound calls. The information below is specific to this route — different country pairs surface different operational details.

Calling United States (+1)

United States sits in Five time zones from Eastern (UTC−5) to Hawaii–Aleutian (UTC−10); most business activity sits in Eastern and Pacific.. The country dial code is +1 and the official language for business is English. Local business hours run roughly Standard hours 9:00–17:00 in each local time zone. Federal offices skew earlier; West-Coast tech routinely runs to 19:00. Banks close 17:00 sharp. — and the practical answering window is Tuesday–Thursday 10:00–11:30 and 14:00–15:30 local time are peak inbound-call hours for B2B..

Major cities & area codes

  • San Francisco · 415/628
  • New York · 212/646/332 — Manhattan overlays
  • Los Angeles · 213/323 — Downtown LA overlays
  • Chicago · 312/872

Mobile carriers in United States

  • T-Mobile US · mobile across most NPAs — Absorbed Sprint in 2020
  • Verizon Wireless · mobile across most NPAs — Largest by subscribers; CDMA-rooted but VoLTE/5G now
  • AT&T Mobility · mobile across most NPAs

What to know when calling United States

  • •Cold-call regulations vary by state — California, Florida and New York have stricter pre-recorded-message rules under their consumer protection acts.
  • •Caller ID display name (CNAM) is honored by most major US carriers; a recognizable display name materially improves answer rates.
  • •Voicemail is widely used and read by transcription; leaving a brief callback request often gets faster response than re-dialing.

Phone-scam patterns specific to United States

  • •IRS impersonation calls remain common: the IRS never demands immediate payment by phone or gift card.
  • •'One-ring' scams (Wangiri) using +1-340, +1-868 and other Caribbean codes are not US — the +1 prefix is shared across the North American Numbering Plan.

Regulation & compliance (United States)

  • •STIR/SHAKEN call authentication is mandatory for major carriers since 2021; unauthenticated calls are increasingly flagged as 'Spam Likely'.
  • •TCPA requires prior express written consent before placing automated marketing calls to mobile numbers.

Calling United States from anywhere

StartACall routes calls to United States over Tier-1 carriers, supporting both landlines and mobile termination on every network listed above. Per-minute pricing is shown on the dialer once you sign up — no contract or subscription is required. From browser to +1 takes under five seconds on a stable connection.

Operational facts above are sourced from regulator publications and carrier disclosures; specific rates and routing are confirmed in the live dialer.
Nearby dialing codes

Other country and area codes

Related country codes, area codes, and regional dialing guides for your next call.