🇬🇧 ➔ 🇮🇷UK to Iran Calling Guide

How to Call
Iran from the UK

Reach Iran (+98) from United Kingdom straight in your browser. Outbound calls need no phone number, and you only add one when you also want to receive calls.

Product facts

  • Outbound: No dedicated number required.
  • Inbound: Requires US/Canada digital number ($2.14 to $5/month).
  • No apps: Works in Chrome, Safari, Edge, Firefox.
🇮🇷

Step-by-Step: Calling Iran from UK

1. UK Exit Code

Dial 00. This allows you to dial out of the United Kingdom.

2. Iran Code

Dial 98. This is the country code for Iran.

3. Drop the Zero

Remove the leading '0' from the area/mobile code.
Example: 021 becomes 21.

Important: Sanctions & Blocking

Calls to Iran are frequently blocked by UK mobile carriers (EE, O2, Vodafone) due to international sanctions or routing issues. StartACall uses specialized VoIP routes to ensure your call connects to Hamrah-e-Aval, Irancell, and landlines.

Iran Area Codes & Mobile Prefixes

Landlines

  • Tehran+98 21
  • Mashhad+98 51
  • Isfahan+98 31
  • Tabriz+98 41
  • Shiraz+98 71
  • Karaj+98 26
  • Ahvaz+98 61
  • Qom+98 25

Mobile Phones

Major carriers: Hamrah-e-Aval (MCI), Irancell, Rightel.

  • MCI (Hamrah-e-Aval)+98 91x...
  • Irancell+98 93x...
  • Rightel+98 92x...

Calling Iran from United Kingdom: what to know

Iran answers on the country code +98, with the capital in Tehran and most business concentrated around Tehran, Mashhad and Isfahan. The working language for business is Persian (Farsi), and local offices generally keep hours of 8:00 to 16:30 Saturday Wednesday; Thursday morning only; Friday is the weekend.

From United Kingdom the outbound access code is 00, so a manual dial reads 00 then +98 then the local number. StartACall removes that step: the call goes through your browser, so there is nothing to install and no SIM card to swap when you travel between United Kingdom and Iran.

Most mobiles in Iran sit on operators such as MCI (Hamrah-e Avval), Irancell, RighTel. Iran runs Saturday Wednesday work week (Thursday half-day, Friday off).

Iran runs on UTC plus 3:30, and it does not observe daylight saving, so the time difference stays constant through the year.

How to dial Iran from United Kingdom

  1. 1
    Dial the exit code 00

    00 is the international access code used when dialing out of United Kingdom. On a mobile you can press and hold 0 to enter the plus sign instead.

  2. 2
    Enter the country code +98

    +98 routes the call to Iran.

  3. 3
    Add the local number

    Dial the destination number without its leading 0. For Tehran that means including the area code 21.

Best time to call Iran

The destination is 3.5 hours ahead of you.

United Kingdom clock (UTC)
09:00 to 13:30
Iran clock (UTC plus 3:30)
12:30 to 17:00

Place the call inside this window and both you and the person in Iran are within normal working hours.

Frequently asked questions

How do I call Iran from United Kingdom?+

Dial 00 then +98 followed by the local number without its leading 0. From a browser on StartACall you simply enter the number and press call, with no exit code to remember.

What is the country code for Iran?+

The country code for Iran is +98. Tehran uses the area code 21.

What is the best time to call Iran?+

The destination is 3.5 hours ahead of you. Calling between 09:00 to 13:30 your time reaches Iran during its working day (12:30 to 17:00 local time).

Do I need to install an app to call Iran?+

No. StartACall runs in your browser on Chrome, Safari, Edge and Firefox, so you can place the call without downloading anything or buying a phone number for outbound calls.

Can I receive calls as well?+

Outbound calls need no number. To receive inbound calls you add a US or Canada digital number, billed monthly, and answer it in the same browser tab.

Last reviewed June 2026Reviewed by the StartACall calling teamDialing rules cross checked against ITU international dialing procedures
More calling routes

Related international calling guides

Other routes our customers compare with this one. Tap any guide to see dialing rules, country codes, and rates.