Ideal
Early Window
local
North Korean numbers follow a state-controlled format, with international connectivity far more limited than in most other countries.
EST (UTC−5)
PST (UTC−8)
+850 · UTC+9
Best Time to Call
North Korea
from the United States
North Korea's +850 code covers one of the world's most restricted and tightly state-controlled telecom markets. From the US East Coast, business hours in North Korea fall between 7:00 PM and 3:00 AM EST.
Best EST: 7:00 PM – 3:00 AM (+1 day)
Mon–Sat
United States
09:29 AM
Business hours
13h
difference
North Korea
10:29 PM
Sleeping
// Best Time to Call
When to Call North Korea
North Korea business hours overlap with US afternoon/evening. Plan calls for after 3 PM EST to reach their morning.
Ideal
Prime Window
local
Answers about North Korea's telecom restrictions and international dialing considerations.
EST (UTC−5)
PST (UTC−8)
Avoid
Avoid
local
Outside business hours in North Korea. Calls will likely go to voicemail or be unwelcome.
EST (UTC−5)
PST (UTC−8)
| Local Time | UTC | EST / New York | CST / Chicago | PST / LA |
|---|---|---|---|---|
| Open | ||||
| Noon | ||||
| PM | ||||
| Close |
// Calling Guide
How to call North Korea — the short version.
Dial the right code, pick the right window, and your call to North Korea goes through first time.
Dialing steps
- 1Dial your exit code — 011 from the US, 00 from most of Europe.
- 2Add the North Korea country code: +850.
- 3Enter the local number, including any area code.
- 4Press call and confirm the time zone first.
Best time to call
- 9:00 AM – 5:00 PM local time in Pyongyang — most people are at their desk.
- That's 7:00 PM – 3:00 AM EST if you're calling from the US.
- North Korea business hours overlap with US afternoon/evening. Plan calls for after 3 PM EST to reach their morning.
- Avoid calling outside local business hours — calls are less likely to be answered.
Quick tips
- Save the +850 code in your contacts so every call dials correctly.
- North Korea business hours run Mon–Sat.
- Use a Rozper local virtual number to call as if you're already there — no per-minute international rates.
// Calling Etiquette
North Korea Business Calling Etiquette
Cultural context for calling contacts in North Korea — know what to expect before you dial.
Network & carriers
North Korea's telecom market is tightly controlled by the state, with Koryolink historically operating as the primary mobile network.
Numbering format
North Korean numbers follow a state-controlled format, with international connectivity significantly more restricted than in most countries.
Calling culture
Business communication with North Korea is highly limited and subject to significant regulatory restrictions compared to virtually any other market.
Good to know
North Korea has one of the most restricted telecom environments in the world, with mobile networks largely isolated from the global internet and international calling infrastructure.
// Why Rozper
Built for Calling North Korea at Scale
From crystal-clear audio to automatic CRM logging, here's what powers every call your team makes to North Korea.
North Korea Coverage, Included
Get a virtual number for North Korea (+850) alongside 150+ other countries — no office required in Pyongyang.
HD Calls Across Asia
Crystal-clear audio to North Korea over our optimised carrier network — no degraded quality on the UTC+9 route.
Every North Korea Call, Transcribed
Calls are recorded and transcribed automatically — handy when your North Korea contacts speak Korean.
Never Miss a Call from North Korea
Voicemails picked up outside the Mon–Sat work week are transcribed and delivered by email or SMS.
North Korea Calls, Logged Automatically
Every call to or from your North Korea number logs straight into Salesforce, HubSpot, or Zoho CRM — deal values in North Korean Won.
Analytics for Your North Korea Line
See call volume and answer rates for North Korea, broken down by hour against UTC+9.
A Local Pyongyang Caller ID
Show a recognisable Pyongyang number when calling North Korea — dramatically improves pickup rates.
Go Live in North Korea in 60 Seconds
Activate your North Korea virtual number instantly — no contracts, no hardware, no delays.
99.99% Uptime, Even to North Korea
Enterprise-grade reliability for calls to North Korea and 150+ other countries, with 24/7 expert support.
// Get Started
Start Calling North Korea Today
Active in under ten minutes. No contracts or hardware needed.
- 01
Sign up for Rozper
Create your account in under 2 minutes. No credit card required to start your free trial.
- 02
Get a North Korea virtual number
Browse available numbers in your target country. Pick a local or toll-free number that fits your needs.
- 03
Configure call routing
Route incoming calls to any device — mobile, desk phone, or browser. Set business hours and voicemail greetings.
- 04
Start calling internationally
Make and receive calls from your new international number. Active and ready in under 10 minutes.
// Complete List
All world dial codes by country.
Every country and territory, every international dial code. Click a country to browse it.
List of World Countries and Their Dial Codes
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Frequently Asked
Calling North Korea — Common Questions
Everything you need to know about reaching contacts in North Korea.
The international dialing code for North Korea is +850. To call North Korea from the US, dial 011 + 850 + the local phone number (omitting the leading 0 if present).
Ready to call North Korea?
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