What is a country calling code?

A country calling code is the numeric prefix you dial before a national phone number to route a call to a specific country. For example, +1 reaches the United States and Canada, +44 reaches the United Kingdom, and +91 reaches India. The plus sign stands in for the international access code your network uses.

How do I dial an international number correctly?

Start with your exit or access code (or the + symbol on a mobile), add the destination country code, then the area or city code without its leading zero, and finally the local subscriber number. So a London line looks like +44 20 7946 0000.

What does the plus (+) sign mean in a phone number?

The + is a universal placeholder for the international dialing prefix. Saving numbers in +country-code format means they connect from any country without editing the access code, which is why it is the recommended way to store contacts.

Why do the United States and Canada share the country code +1?

Both countries belong to the North American Numbering Plan, a shared system that also covers several Caribbean nations. They use the same +1 country code but are separated by distinct three-digit area codes.

Do I need to remove the leading zero from a phone number when calling internationally?

Usually yes. Many countries print a trunk prefix, often a 0, for domestic calls. When dialing from abroad you drop that leading zero after the country code. For example, a UK mobile written as 07700 900000 becomes +44 7700 900000.

How do I correctly dial a South Korean number in letsdial?

South Korean domestic numbers include a leading '0' trunk prefix that is dropped for international dialing. Seoul's area code is 2 (domestic 02), Busan's is 51 (domestic 051), and Incheon's is 32 (domestic 032). In letsdial, enter +82 2 XXXX XXXX for Seoul and +82 51 XXXX XXXX for Busan. Mobile numbers (01x domestically) become +82 10 XXXX XXXX in international format.

Does South Korea observe daylight saving time, and how stable is KST for scheduling?

South Korea uses Korea Standard Time (KST, UTC+9) with no daylight saving adjustments, making it perfectly stable for scheduling letsdial calls year-round. KST is the same offset as Japan (JST), so there is no time difference between Seoul and Tokyo. For callers in the US (ET), Korea is 14 hours ahead, making morning Korea calls equivalent to the previous evening in New York.

What are the main South Korean area codes beyond Seoul that I should recognize in letsdial?

Beyond Seoul (2), key area codes include Busan (51), Daegu (53), Incheon (32), Gwangju (62), Daejeon (42), and Ulsan (52). Busan is Korea's major port and second-largest city, important for logistics and manufacturing contacts. letsdial virtual numbers with a Seoul (02) code carry the strongest business credibility for foreign companies entering the Korean market.

Can I use a letsdial virtual Korean number to improve call answer rates from Korean businesses?

Yes — letsdial offers Korean virtual numbers with Seoul area codes that display as local Korean caller IDs on outbound calls. Korean business contacts, like many in Northeast Asia, are highly unlikely to answer calls from unrecognized international numbers. A local +82 2 caller ID combined with a prior KakaoTalk introduction significantly raises your connection rate.

What South Korean business culture norms should I keep in mind during letsdial calls?

South Korean business culture is hierarchical and relationship-driven — seniority should be respected in conversation, and decisions often require consensus up the chain. Punctuality is strictly expected; a letsdial call should be at the agreed time exactly. Business cards and formal introductions matter even in audio-only settings, so state your full name, title, and company clearly at the start of every call.

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South Korea

+82

Country code

International prefix

South Korea's country code +82 connects one of the world's most digitally advanced economies — home to Samsung, LG, Hyundai, and a global K-culture phenomenon. South Korea leads the world in 5G adoption and average internet speeds, creating a hyper-connected business environment.

Best hours:9 AM – 6 PM KST

Language:Korean

Capital:Seoul

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🇰🇷

South Korea

KR · Asia-Pacific

+82

dial code

Capital

Seoul

Currency

KRW (₩)

Language

Korean

Population

52 million

Best calling window

9 AM – 6 PM KST

12 AM

12 PM

11 PM

Korea Standard Time (KST) · UTC+9

Country

South Korea

2 Digit ISO

Country Calling Code

+82

ISO Alpha-3

KRK

Loading map…

Seoul

Capital

Live

Seoul

--:--:-- --

Time Zone

Korea Standard Time (KST)

Quick Facts

CurrencyKRW (₩)

LanguageKorean

Population52 million

GMT OffsetUTC+9

Best Hours9 AM – 6 PM KST

Step by step

How to call South Korea from abroad

International dialing is a four-step process.
Use + on mobile to skip the exit code entirely.

Step 01

Exit code

Dial from US/Canada (or use +)

Step 02

+82

Country code

South Korea international prefix

Step 03

Area / city code

Local routing prefix

Step 04

1234 5678

Local number

Subscriber number

dialing-example.txt

International format

00—82—2—1234 5678

Shorthand (works from any device): +82 2 1234 5678

Calling Guide

Best time to call South Korea · Korea Standard Time (KST)

View guide

Why letsdial

Benefits of calling South Korea
with letsdial

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Get a local +82 number

A Seoul +82 2 caller ID signals a Korean business presence — essential in a highly competitive market where KakaoTalk messages often precede voice calls.

South Korea and 50+ countries, one plan

Call South Korea and 50+ global markets from one letsdial subscription — no per-city add-ons for Seoul, Busan, or Incheon.

Full call analytics

Track every Korea call in KST (UTC+9) — monitor answer rates, peak business hours, and agent performance in one dashboard.

Works on any device

Mobile app, desktop, or IP phone — your +82 number lets your team project a Korean presence from any location worldwide.

Unified Communications

One platform. Every call, message and team — connected.

One cloud platform replaces your phone system, chat tool, and contact centre — no hardware, no juggling apps.
Reach South Korea and 50+ countries from one dashboard.

50+

Countries covered

99.9%

Uptime SLA

2 min

Setup time

Hardware needed

Voice & Video Calls

Crystal-clear HD calls to South Korea and 50+ countries from one number.

Team Messaging

Chat, share files, and collaborate — all inside the same platform you call from.

Real-Time Analytics

Live dashboards for call volumes, answer rates, and agent performance.

Global Number Coverage

Local +82 numbers plus 50+ country codes — managed from one dashboard.

Format reference

South Korea& neighbouring countries

Korean numbers under +82 use city codes of 2–3 digits — Seoul (2), Busan (51), Incheon (32). Always drop the leading 0. Mobile numbers (010/011) drop the 0: +82 10 xxxx xxxx.

CountryLocal formatInternational format

South Koreacurrent1234 5678+82 2 1234 5678

Japan1234 5678+81 3 1234 5678

China1234 5678+86 10 1234 5678

Singapore6789 1234+65 6789 1234

Australia9123 4567+61 2 9123 4567

United States555-1234+1 212 555 1234

Good to know

Tips for calling South Korea

4 things to check before you dial internationally

Drop the leading 0 from Korean area codes

Korean area codes start with 0 domestically (02 Seoul, 051 Busan) — that 0 is always dropped when dialling from abroad. A Seoul landline (02) 1234 5678 becomes +82 2 1234 5678. Mobiles: +82 10 xxxx xxxx.

KakaoTalk is South Korea's essential platform

KakaoTalk is the dominant messaging app in South Korea — used by virtually the entire population for both personal and professional communication. Sending a KakaoTalk message before calling is standard practice.

Show a local +82 caller ID

Korean contacts are unlikely to answer calls from unrecognised international numbers. A letsdial +82 2 (Seoul) caller ID signals a local Korean presence and is significantly more likely to be answered.

KST is UTC+9 — no daylight saving

Korea Standard Time never changes. Business hours are 9 AM–6 PM, Monday to Friday. From London (GMT), Korea is 9 hours ahead; from New York (ET), 14 hours in winter.

Market data

South Korea communication insights

97%

Internet penetration

97% of South Korea's population uses the internet, supported by world-leading broadband speeds.

99%

Mobile users

95% of South Koreans use mobile phones, with 5G adoption among the highest in the world.

95%

Smartphone owners

90% of South Korean adults own smartphones; KakaoTalk dominates business and personal messaging.

95%

Digital businesses

92% of South Korean businesses have adopted digital communication and cloud tools.

Global directory

List of Country Codes

50+ countries listed with their international dial prefix and ISO code.

Filter by letter or search to find any country code instantly.

South Korea calling FAQs

Frequently asked about South Korea

KakaoTalk is the dominant messaging platform in South Korea with near-total smartphone penetration — it is the primary channel for personal communication, business coordination, and even government notifications. Before placing a letsdial call to a Korean contact, a KakaoTalk message is far more effective than SMS or email. Many Koreans will not answer calls from unrecognized numbers without prior KakaoTalk contact.

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Get a local South Korea number in minutes.

Build trust with South Korea customers using a local +82 virtual phone number — from the same letsdial dashboard your whole team already uses.

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Looking up US area codes? Browse all US area codes →

South Korea

South Korea

How to call South Korea from abroad

Benefits of calling South Koreawith letsdial

Get a local +82 number

South Korea and 50+ countries, one plan

Full call analytics

Works on any device

One platform. Every call, message and team — connected.

South Korea& neighbouring countries

Tips for calling South Korea

Drop the leading 0 from Korean area codes

KakaoTalk is South Korea's essential platform

Show a local +82 caller ID

KST is UTC+9 — no daylight saving

South Korea communication insights

List of Country Codes

Frequently asked about South Korea

Get a local South Korea number in minutes.

Benefits of calling South Korea
with letsdial