For city specific information see the
Communications: Phnom Penh
Communications: Siem Reap / Angkor Wat
International telephone service
is available at all major hotels, most Internet shops, many of the
guesthouses and the main post offices in all major cities including
Siem Reap, Phnom Penh, Sihanoukville, Kampot, Battambang and
Banlung. International telephone is reliable if not a bit expensive,
averaging US$3-$5/minute. Most internet shops offer very inexpensive
The international country calling code for Cambodia is 855.
Cambodian telephone numbers are usually listed beginning with a '0'
(e.g. 023-000000.) The first three numbers (e.g. 063, 023, 012, 016,
092) represent the provincial area code or the mobile phone system.
063 is the provincial area code for Siem Reap, 023 is the code for
When dialing domestically within Cambodia, it is necessary to dial
the entire number including the '0' at the beginning (e.g.
023-000000.) When dialing internationally to Cambodia, use the
country code but exclude the '0' (for example: +855-23-000000). When
dialing an international call from Cambodia, precede the phone
number with '007' or '001' (e.g. 007-662-251-0000).
Public internet access is fast, inexpensive and available at
internet shops located across Siem Reap, Phnom Penh, Sihanoukville,
Battambang, Kampot and Koh Kong. Prices average about $1.00/hour.
Many of the hotels and guesthouses in Siem Reap and Phnom Penh
also have internet available with some offering in-room wifi. And
growing number of restaurants, bars and coffee shops also offer wifi
Cambodia Country Calling Code: 855
Provincial Calling Codes
Phnom Penh = 023
Kandal = 024
Kampong Speu = 025
Kampong Chhnang = 026
Takeo = 032
Kampot = 033
Sihanoukville = 034
Koh Kong = 035
Kep = 036
Kampong Cham = 042
Prey Veng = 043
Svay Rieng = 044
Pursat = 052
Battambang = 053
Sisophon = 054
Kampong Thom = 062
Siem Reap = 063
Kratie = 072
Mondulkiri = 073
Stung Treng = 074
Rattanakiri = 075