The prefix 031 belongs to Metfone. If you're on Metfone, calls to 031 numbers often cost less—many plans offer free or discounted same-network calls. If you frequently call 031 numbers, a Metfone plan could save you money.
Reliable network with 4G and 5G coverage (5G in Phnom Penh and major cities), competitive rates, and excellent customer service. Part of Viettel Group.
When you see 031 on a missed call, business card, or contact—you know it's Metfone without asking. Useful for identifying unknown callers, deciding whether to call back, or spotting spam from a different network.
Same-network calls (Metfone to Metfone) are often cheaper; many plans include free or discounted minutes to the same operator. When dialing from abroad, use +855 031 XXX XXXX—knowing the prefix avoids wrong format and failed calls. If most of your contacts start with 031, a Metfone plan may offer better rates.
Format: 031 plus 8 digits (11 total). For international use—WhatsApp, banking apps, or calls from abroad—save contacts as +855 031 XXX XXXX. Locally, dial 031 followed by the 8-digit number.
