Cambodia Dialing Code — +855
The country calling code listed for Cambodia is +855. This page contains 20 city or region entries from the site's reference data. The entries are selected examples, not a complete national numbering plan, a live phone-number check, or confirmation that a number is active.
How to format an international call to Cambodia
In international number notation, begin with +855 followed by the destination number in its international format. The access prefix used when dialing without + depends on the originating network. National trunk-prefix rules vary, so do not remove a leading zero unless the destination's current dialing instructions say to. See how to call internationally or the international dialing code guide.
Listed city and area-code entries for Cambodia
- Phnom Penh — +855 23
- Siem Reap — +855 63
- Battambang — +855 53
- Sihanoukville — +855 34
- Kampong Cham — +855 42
- Kandal — +855 24
- Kampong Speu — +855 25
- Prey Veng — +855 43
- Takeo — +855 32
- Kampong Thom — +855 62
- Pursat — +855 52
- Kratie — +855 72
- Stung Treng — +855 74
- Ratanakiri — +855 75
- Mondulkiri — +855 73
- Kep — +855 36
- Pailin — +855 54
- Kampot — +855 33
- Koh Kong — +855 35
- Svay Rieng — +855 44
What the listed city entries mean
These city and area-code records are the entries currently included in this local reference. They may not cover every city, number range, mobile service, or dialing rule in Cambodia. A country calling code helps route a call; it does not identify a caller's location or validate a complete number.
Related Cambodia references
- Browse all country dialing codes
- Cambodia postal codes
- How to call internationally
- International dialing code guide
- Identify a phone number's country and area code
- International Telecommunication Union numbering resources
Frequently Asked Questions
What is Cambodia's international dialing code?
Cambodia's country calling code in this reference is +855. The originating network determines the access prefix used to place an international call.
How do I call Cambodia from the United States?
From a US or Canadian phone line, 011 is a commonly used international access prefix; then use 855 and the destination number in its international format. Check the destination carrier's instructions before changing a leading zero or other national prefix.
Does this page show all city codes for Cambodia?
No. It shows 20 selected entries from the site's reference data. Verify complete, current dialing details with the destination telecom provider or numbering authority.
About Cambodia International Dialing
Country calling codes are part of the International Telecommunication Union's ITU-T E.164 numbering plan. See the ITU-T E.164 recommendation and this site's data methodology.