How-to · OpenDial Blog
How to Call Nigeria from the US: Cheap, Reliable Options
April 3, 2026 · 6 min read
Calling Nigeria from the US is one of the more expensive international routes on standard carrier plans. This guide explains the cheapest ways to reach Nigerian landlines and mobiles without roaming charges.
Why calls to Nigeria cost more than most international routes
Nigeria is one of the most-dialed countries from the US due to its large diaspora community, but it's also one of the more expensive routes on most US carrier plans. Standard carrier international rates to Nigeria can run $0.25 to $1.50 per minute depending on your plan and whether you're calling a landline or mobile.
This matters more for Nigeria than for, say, the UK, because Nigerian families tend to make longer calls, and because many contacts in Nigeria are reached on mobile numbers rather than landlines — and international mobile rates are typically higher than landline rates.
Nigeria's phone number format
Nigeria's country code is +234. Nigerian mobile numbers are 10 digits and typically start with 07, 08, or 09. When dialing from the US, drop the leading 0 and add +234. So a number written locally as 0803 123 4567 becomes +234 803 123 4567 when dialed internationally.
Nigerian landlines use area codes (Lagos is 01, Abuja is 09, Kano is 064, etc.) followed by 7 or 8 digit numbers. The same rule applies: drop the leading 0 from the area code and add +234. Lagos number 01-234-5678 becomes +234 1 234 5678.
VoIP rates to Nigeria vs. carrier rates
Browser-based VoIP services can reach Nigerian mobile numbers for around 5–15 cents per minute, and Nigerian landlines for around 2–5 cents per minute — a fraction of what most US carriers charge for international calls to Nigeria. On a 20-minute family call, that difference can be $10–$25 depending on your carrier.
OpenDial supports calls to Nigeria at per-minute rates that are significantly lower than typical US carrier international rates. There's no monthly fee, no minimum balance, and no app to install — you call from your browser over your existing internet connection.
MTN, Airtel, Glo, 9mobile — does the Nigerian network matter?
The four main Nigerian mobile networks are MTN, Airtel, Glo, and 9mobile (formerly Etisalat). From a caller in the US using VoIP, the network the recipient is on generally doesn't change your per-minute rate — you're paying for the international leg of the call, and Nigerian local termination rates are bundled in.
What does matter is call quality. Nigeria has good urban mobile coverage in cities like Lagos, Abuja, and Port Harcourt, but rural coverage can be patchy. If a call drops, it's usually the Nigerian network quality rather than the VoIP connection. Having the recipient try a different location or calling at a different time of day often helps.
WhatsApp calls to Nigeria — when it works and when it doesn't
WhatsApp is extremely widely used in Nigeria — most Nigerian mobile users have it. For personal calls to Nigerian family and friends who are active WhatsApp users with a stable internet connection, WhatsApp calling is free and often the first choice.
The limitation is reliability. Nigerian internet connections, especially on mobile data, can be inconsistent. WhatsApp calls drop when the recipient's connection degrades. For important calls — to reach someone at a business, a government office, a hospital, or anyone who may not be reachable on WhatsApp — calling their regular phone number is more reliable than app-to-app calling.
Calling Nigeria while traveling outside the US
If you're traveling and need to reach Nigeria, your US carrier's international roaming rates make the situation worse — you'd pay roaming rates on your end plus international calling rates on the Nigeria end. Browser-based VoIP removes both problems: you connect to local Wi-Fi wherever you are and call at standard VoIP rates.
This makes browser-based calling particularly useful for travelers who maintain Nigerian contacts — a common situation for Nigerian-Americans who travel frequently and need to stay in touch with family and business contacts back home without accumulating roaming charges.