Mauritania · roaming cost calculator
Mauritania Roaming Price Audit: $120 on AT&T, $2.99 a Gigabyte on an eSIM
HelloRoam, first on this site's rubric, does not sell Mauritania: its catalogue of 29 Oct 2026 lists 185 destinations. In Africa it sells 41 destinations, among them Algeria, Angola and Benin, so a trip that continues there can switch to it. HelloRoam's 7-day unlimited plan has a median price of $21.50 across the 35 countries where all five providers were priced.
Mauritania is priced two ways here, travel eSIM data at $2.99 a gigabyte and a US carrier day pass at $12, and both invoices arrive in dollars. HelloRoam takes payment in 31 checkout currencies, so a card in one of them pays in its own money.
On destination count Airalo leads: 200+ against HelloRoam's 185.
Mauritania eSIM market: plan tiers and pricing
HelloRoam, first on this site's rubric, sells 185 destinations and Mauritania is not one of them, so this page ranks no provider here. The four below list Mauritania plans; Airalo covers 200+ destinations to HelloRoam's 185.
Holafly offers unlimited daily data in Mauritania on a local 4G LTE network. No per-GB counting — pay per day, use as much as you want.
Get eSIMNomad's Mauritania plan runs on local infrastructure at $2.30/GB. The checkout flow takes under two minutes — no account required for first-time buyers.
Get eSIMFor a 2-3 day trip to Mauritania, Airalo's 1GB plan at $2.40/GB covers maps and messaging. A 3GB plan handles a full week of moderate use.
Get eSIMMauritel is one of Mauritania's 4G LTE operators. At $2.60/GB, Saily's plan includes VPN protection that costs $13/month as a standalone NordVPN subscription.
Get eSIMCompare providers: Airalo vs Holafly · Airalo vs Saily · Airalo vs Nomad · Airalo vs HelloRoam · Holafly vs Saily · Holafly vs Nomad · Holafly vs HelloRoam · Saily vs Nomad · Saily vs HelloRoam · Nomad vs HelloRoam
The full picture
Mauritania roaming fee comparison: four carriers, one table
Every major carrier's published Mauritania rate, side by side, with the eSIM winner highlighted.
| Carrier | Plan type | Daily | 7-day | Speed | Data limit |
|---|---|---|---|---|---|
| Vodafone | Roaming Passport | £6.85source | £47.95 | LTE | Fair-use |
| AT&T | International Day Pass | $12.00source | $84.00 | LTE | Plan data |
| Verizon | TravelPass | $12.00source | $84.00 | LTE | Plan data |
| eSIM · Holafly | Sold by the gigabyte | — | $2.99/GB | 4G LTE | Your choice |
Compare all carrier roaming plans to see how AT&T, Verizon, T-Mobile, Vodafone, and EE stack up against eSIM providers.
Pay-per-use cost audit
What AT&T charges per activity in Mauritania — no day pass
AT&T pay-per-use data in Mauritania costs $2.05/MB when no $12/day international day pass is active. At that rate, five common activities add up quickly.
5-minute FaceTime call (~75 MB): $154. 30-minute Zoom meeting (~450 MB): $922. 1 hour of Google Maps navigation (~50 MB): $102. Uploading 20 vacation photos (~200 MB): $410. 1 hour of YouTube (~500 MB): $1025. Combined, those five activities use roughly 1.3 GB — before background app refresh or iCloud sync adds anything. Rates checked June 2026. Source: AT&T international rate card.
Personalize your savings
Your Mauritania saving against $12 a day
Adjust the trip length, the carrier and the daily data below and the calculator reprices both sides. The starting point is the 10-day average stay recorded for Mauritania: $120 on an AT&T day pass at $12 a day, against $2.99 a gigabyte on a travel eSIM. Both prices buy access to the same local operators.
Network coverage
Operator-by-operator coverage in Mauritania
AT&T's International Day Pass for Mauritania costs $12/day. AT&T connects your phone to local towers. A travel eSIM also connects to local towers, from $2.99/GB. Your phone's radio connects to a local network either way. The difference is which billing layer sits above that connection. The network technology on a local network in Mauritania is 4G LTE. AT&T roaming connects to that same 4G LTE signal. A travel eSIM connects to the same signal. No speed premium exists for roaming over eSIM.
Pricing breakdown
What you pay for data in Mauritania — carrier vs eSIM
AT&T International Day Pass in Mauritania: 10 daily fees × $12 (AT&T's cap per bill cycle) = $120. eSIM 10GB plan on a local network: $29.90 for the same 14 days. Difference: $90.10 less than AT&T (75%). Verizon TravelPass reaches $168 over the same period.
Each day AT&T connects you to Mauritel in Mauritania costs $12. Buy a 10GB eSIM plan at $29.90 and that same daily access drops to $2.14/day. Over 14 days, the difference is $90.10.
eSIM pricing for Mauritania: . AT&T's 14-day roaming bill is $120 regardless of data consumed. Every eSIM tier undercuts that figure.
Trip cost breakdown
Mauritania data cost scenarios: short trip to long stay
The 3-day traveler pays $36 on AT&T for maps and messaging in Mauritania. A 2GB eSIM on a local network covers the same trip for $5.98 — $30.02 less.
The 14-day family vacation reaches $120 in AT&T charges per person. Four lines on one account come to $300, because each extra line used the same day adds $6. Four 15GB eSIM plans on a local network cost $179.40 combined — $120.60 less for the group.
A 30-day stay runs $120 on AT&T for video calls and streaming. A 50GB eSIM on a local network at $149.50 is -25% less for the same local towers. Rates checked June 2026.
Airport options
Nouakchott-Oumtounsy International Airport (NKC): SIM card vs eSIM cost
Buying a SIM card at the airport in Mauritania means waiting in line after a long flight, handing over your passport, and paying a tourist-markup price. A 5GB eSIM at $14.95 installs in 2 minutes from the provider's app. It activates on a local network the moment you turn off airplane mode.
Data planning
Data costs for 7 days in Mauritania: carrier vs eSIM
Social media browsing uses about 80 MB/hour. Two hours of Instagram or TikTok scrolling per day adds 160 MB. Stack that with maps and messaging and 1.5 GB per day is a fair estimate for Mauritania. Over 7 days you need 11GB.
At $14.95 for 7 days, the 5GB plan works out to $2.14/day. AT&T charges $12/day for the same network access on a local network. Both connect to the same towers. The billing model is different.
Connectivity
Mauritania data strategy: WiFi vs eSIM
Co-working spaces are available in Mauritania's main cities but WiFi quality varies by location. WiFi limited to major hotels in Nouakchott An eSIM on a local network gives you 4G LTE backup for neighborhoods between co-working locations, or wherever WiFi is slow.
Plan your data
Your Mauritania data budget explained
Summer travel to Mauritania means peak hotel rates, peak airfare, and AT&T roaming at $12/day on top. A 10-day trip generates $120 in AT&T charges alone. A 5GB eSIM on a local network at $14.95 removes that line item — saving $105.05 regardless of when you travel.
Mauritania has 3 mobile networks. Mauritel carries most of the traffic. Both AT&T and Verizon access local towers under roaming agreements. Travel eSIM providers access the same local towers under similar agreements. You pay AT&T $12/day for an arrangement eSIM providers resell at $2.99/GB.
WiFi in Mauritania is limited and unreliable in most areas. An eSIM fills the gaps at $2.99/GB instead of AT&T's $12/day roaming charge. Local prices in Mauritania are in Mauritanian Ouguiya (MRU) (UM), but eSIM plans are priced in USD, eliminating exchange rate uncertainty on your data costs.
Quick reference
Mauritania Travel Essentials
117/101/118
117, 101, 118 are the emergency numbers in Mauritania. Different numbers may route to different services — save all of them before your trip. Emergency calls work from any mobile device, including travel eSIMs.
Type C/E
Mauritania uses Type C outlets (European two round-prong). US plugs require a Type C adapter. Check that your phone and laptop chargers show 100-240V input — most modern chargers are compatible.
GMT (UTC+0)
Mauritanian Ouguiya (MRU) (UM)
Cash in Mauritanian Ouguiya (MRU) is preferred across most of Mauritania outside major hotels and tourist centers. Card terminals are not common in local markets or small restaurants. Withdraw enough cash at a reliable ATM before leaving the city — rural areas may not have ATM access.
Quick tip
Local prices in Mauritania are in Mauritanian Ouguiya (MRU) (UM). eSIM plans are priced in USD, eliminating exchange rate uncertainty.
Good to know
Mauritania uses Type C/E power sockets. A dead phone means a dead eSIM connection — pack the right adapter to keep your device charged between venues.
Step by step
Cancel carrier roaming before you land in Mauritania
- Verify eSIM compatibility — any iPhone from 2018 or Samsung Galaxy S20 and later works on Mauritania's LTE network via Mauritel
- Go to Holafly, search Mauritania, and pick the data size your trip needs at $2.99 a gigabyte — no physical SIM needed. Not sure which provider to pick? See our provider comparison.
- On iPhone: go to Settings > Cellular > Add eSIM > Use QR Code and scan the Holafly code — do this before your flight to Nouakchott-Oumtounsy International Airport (NKC) so it activates the moment you land
- On Samsung Galaxy: go to Settings > Connections > Mobile Networks, select your home carrier SIM, and turn off Data Roaming. The step-by-step roaming guide has Android screenshots.
- On Google Pixel at Nouakchott-Oumtounsy International Airport (NKC): go to Settings > Network > SIMs and set the Holafly eSIM as the preferred data SIM — LTE on Mauritel confirms in seconds
- First-timer tip: set up WiFi Calling before your trip, not at the airport — some carriers require a verification step that needs a home network connection to complete
Data tips
Mauritania trip data discipline: what to disable
Video call data usage varies by platform: FaceTime audio 30 MB/hour, FaceTime video 200 MB/hour, Zoom at 720p 540 MB/hour, Google Meet standard quality 450 MB/hour. Switch video off during work calls from Mauritania to drop data usage from 500 MB/hour to under 50 MB/hour.
Regional context
Mauritania connectivity tips for Africa travelers
A few things to know before turning off carrier roaming in Mauritania:
Coverage concentrated along major roads and cities
Desert terrain limits connectivity in vast rural areas
WiFi limited to major hotels in Nouakchott Roaming passes charge $12/day to fill WiFi gaps. An eSIM covers the same connectivity at $2.99/GB.
Nearby
Related destinations
6 destinations near Mauritania are priced on the same rate card. AT&T bills $12 a day in every one of them, and the figure beside each flag is that destination's own per-gigabyte floor. The cheapest of the group is Algeria at $1.23 a gigabyte.
Forgot your eSIM?
Last-minute eSIM options for Mauritania arrivals
You landed in Mauritania without an eSIM. Here is what that costs and what you can still do.
All 5 providers — HelloRoam, Holafly, Nomad, Airalo, and Saily — allow post-arrival purchase and installation over WiFi. You do not need a local SIM to buy an eSIM. Nouakchott-Oumtounsy International Airport (NKC) has free WiFi in the arrivals hall. Connect there, open a provider's app, and install a 5GB plan ($14.95 in this site's catalog) before you leave the terminal. If airport WiFi is unavailable, hotel lobby WiFi works as a fallback — most front desks in Mauritania give you the password at check-in. Last resort: turn on carrier data long enough to download the eSIM provider app (~5 MB, roughly $10 on AT&T pay-per-use), then switch to the installed eSIM immediately. That charge lands once, unlike AT&T's $12/day pass, which bills again every day of the trip.
Savings math
How much you save in Mauritania
Solo traveler
Break-even point for a solo Mauritania trip: day one. AT&T charges $12 for the first 24 hours. A 15GB eSIM at $44.85 is already cheaper than two AT&T days. By day 10, the eSIM has saved $75.15 total. There is no trip length at which AT&T roaming costs less than a travel eSIM for Mauritania.
Family trip
Verizon TravelPass charges per line, not per account. A family of four pays $48/day ($12 x 4 lines). Over 10 days in Mauritania: $480. Four eSIMs at $44.85 each: $179.40. Per-person savings: $75.15. All eight data connections (4 carrier, 4 eSIM) route through local 4G LTE towers.
AT&T roaming rate analysis
Checking voicemail on AT&T in Mauritania is treated as an inbound international call. That call starts a $12 Day Pass fee covering the next 24 hours, even if you did not plan to use data. A single voicemail check at 5 AM on your last morning adds $12 to your bill. Weekly AT&T cost: $84. Monthly: $120. A 15GB eSIM: $44.85 for 10 days on a local network. The eSIM does not charge for background triggers.
All-carrier summary
AT&T: AT&T International Day Pass costs 168% more than an eSIM for Mauritania.
Verizon: Verizon TravelPass costs 168% more than an eSIM for Mauritania.
T-Mobile: T-Mobile's International Passes cost 11% more than an eSIM for Mauritania.
Vodafone: Vodafone bills Mauritania in pounds and this site holds no pound-to-dollar rate, so it states no Vodafone-versus-eSIM gap.
Against AT&T: $75.15 saved (63%). Against Verizon: $75.15 saved. Against T-Mobile's International Pass at $10/day: $5.15 saved. Against T-Mobile free tier: $0 carrier cost, but the throttle renders maps, ride-hailing, and video calls unusable. A 15GB eSIM at $44.85 delivers full 4G LTE on a local network for less than any paid roaming option.
Quick answers
Common questions about Mauritania data costs
Is eSIM cheaper than roaming in Mauritania?
Carrier roaming in Mauritania costs $120 on AT&T ($12/day for 10 days). An eSIM plan on a local network costs $44.85 for 15GB. Both connect to the same 4G LTE cell towers. The eSIM is cheaper by $75.15, a 63% reduction. Rates checked June 2026.
How much does roaming cost in Mauritania?
US carriers charge $12/day for Mauritania roaming. UK carriers charge approximately GBP6/day. A 10-day trip costs $120 on AT&T or Verizon. A travel eSIM on a local network costs $44.85 for 15GB. Rates checked June 2026.
Does T-Mobile work in Mauritania?
T-Mobile works in Mauritania on its included allowance: Experience More plan includes 5GB of high-speed data abroad and Experience Beyond 15GB, then data runs at up to 256Kbps. Essentials includes texting but no data. For 10 days of high-speed data, the cheapest pass mix is $50 (10-day pass). A Mauritel eSIM delivers full 4G LTE speed for $44.85. Rates checked June 2026.
AT&T fine print for Mauritania
$12 covers 24 hours from the first time your phone uses a foreign network, and a single background push notification at 2 AM can start it. AT&T bills at most 10 daily fees per line each bill cycle (terms read 31 Oct 2026).
iCloud Photos, email push, app updates all trigger the daily charge. A phone left in a bag with data roaming on starts a new $12 fee each time a sync lands after the last 24 hours ran out.
Mauritania FAQ
Mauritania eSIM & roaming questions
Mauritania carrier roaming costs $12 a day on AT&T and on Verizon
AT&T bills $12 a day for the first line and $6 for each extra line, so a family of four in Mauritania pays $30 a day, or $210 across a week. Verizon charges the full $12 on each line. T-Mobile's Experience plans include 5GB or 15GB of high-speed data abroad per line, then at a reduced speed. Travel eSIM plans are per device and do not share, so four phones means four plans from $2.99/GB each, or one plan tethered to the rest. Holafly caps hotspot use at 1 GB per day on most plans, so a family leaning on tethering should buy fixed data instead. Rates checked June 2026.
T-Mobile's included data in Mauritania runs at high speed until the allowance ends
For a short trip on Experience Beyond, often yes; past the allowance, no. T-Mobile's Experience More plan includes 5GB of high-speed data abroad and Experience Beyond 15GB, then data runs at up to 256Kbps. Essentials includes texting but no data. A 7-day travel eSIM at 1.5 GB/day costs $31.40 at $2.99/GB in Mauritania, against $50 for a week of T-Mobile passes. HelloRoam's 7-day unlimited plan covers the same week for a median $21.50 with no gigabyte counting, against $27.50 on Holafly. Carrier rates checked June 2026; eSIM prices from the 30 Oct 2026 price check.
Mauritania roaming bills by the day, not by the gigabyte
At 3 days in Mauritania: AT&T costs $36, eSIM costs $2.99/GB. At 7 days: AT&T $84, eSIM same $2.99/GB. At 14 days: AT&T $120, eSIM same fixed rate. The eSIM billing model is flat: the longer the trip, the wider the gap. T-Mobile's included data costs nothing extra until its 5GB or 15GB allowance runs out, then runs at up to 256Kbps.
Carrier roaming beats an eSIM in Mauritania on one-day stops and voice-only trips
Three cases, and they are real. First, T-Mobile does not charge for data in Mexico and Canada up to its plan's high-speed allowance, and nothing priced here beats free. Second, if you need your own number live for calls and texts without WiFi, a day pass does that and a data-only travel eSIM does not. Third, if you use almost no data, one AT&T day at $12 can beat buying a whole plan for a single overnight stop. Outside those three the arithmetic favors the eSIM in Mauritania: $84 for a week on AT&T against $31.40 at $2.99/GB on Mauritel. Rates checked June 2026.
An hour of streaming in Mauritania uses more data than a day of maps
An hour of Netflix in HD uses about 3 GB by Netflix's own figures, so it costs about $8.97 at $2.99/GB on Mauritel. Standard definition uses about 700 MB, or $2.09. YouTube at 720p uses about 900 MB an hour. Streaming is the one habit that breaks a fixed-data plan. HelloRoam's 7-day unlimited plan has the lowest median of the five at $21.50 across 35 countries, against $27.50 on Holafly, but HelloRoam's plan runs at full speed for 2 GB a day in 33 of those 35 countries, under one HD hour. Holafly states no daily cap, which is where it earns its price for a heavy streamer. AT&T covers streaming under the $12/day pass but charges it whether you watch or not. Download over hotel WiFi and the question disappears. Carrier rates checked June 2026; eSIM prices from the 30 Oct 2026 price check.
US carriers reach Mauritania through its local operators
AT&T covers Mauritania at $12/day. Verizon covers most African countries at $12/day. T-Mobile includes 5GB or 15GB of high-speed data included on its Experience plans, then up to 256Kbps in Mauritania. A travel eSIM on Mauritel provides full 4G LTE speeds at $2.99/GB — the same carrier infrastructure as roaming, at a fraction of the cost.
Mauritania mobile data carries the same load for an eSIM and for roaming
Mauritania has 3 carriers providing 4G LTE coverage. Urban and tourist areas have solid coverage; rural regions may have gaps. A travel eSIM connects to the same local networks carrier roaming uses, at $2.99/GB. Coverage quality is whatever the local network delivers, and it is the same either way.
A 10-day Mauritania trip costs $120 in carrier roaming
AT&T International Day Pass for 10 days at $12/day: $120. Verizon TravelPass at $12/day: $120. T-Mobile's International Pass at $10/day: $50. A travel eSIM on Mauritel at $2.99/GB for 10 days at 1.5 GB/day average costs roughly $44.85. The eSIM saves over 80% versus any carrier's paid roaming option. Rates checked June 2026.
Rural Mauritania coverage is an operator limit, not a roaming limit
Both carrier roaming and travel eSIMs connect through local networks in Mauritania, and Mauritel is one of them. Coverage outside major cities depends on how widely those networks have deployed, and the same gaps hit an eSIM and AT&T or Verizon roaming alike. Urban centers and tourist corridors have consistent signal; rural and off-road areas may have limited or no service. There is no coverage advantage to choosing carrier roaming over an eSIM.
A week of Mauritania carrier roaming costs $84
AT&T: $84/week (International Day Pass at $12/day). Verizon: $84/week (TravelPass). T-Mobile: 5GB or 15GB of high-speed data included on its Experience plans, then up to 256Kbps, or $50 for a week of passes (10-day pass). The cheapest eSIM for Mauritania starts at $2.99/GB on a local 4G LTE network — better per-GB value than all three carriers.
Fact check
3 roaming myths that cost travelers money in Mauritania
T-Mobile includes free international data
T-Mobile's Experience plans include 5GB or 15GB of high-speed data abroad, then up to 256Kbps, too slow to load a map tile in Mauritania past the allowance. Its 1 Day International Pass costs $10. Exception: T-Mobile does not charge for calls, texts or data in Mexico and Canada; depending on the plan, up to 30GB is at high speed, then up to 256Kbps. Mauritania is not on that list. Rates checked June 2026.
Carrier roaming is more reliable than an eSIM
Reliability is determined by the local carrier's network, not the billing layer above it. AT&T roaming in Mauritania routes through a local network. A travel eSIM also routes through a local network. Both connections depend on local network coverage in any given area. AT&T charges $12/day for a connection with zero reliability advantage over the $14.95 eSIM.
Pay-per-use international data rates are reasonable
AT&T's pay-per-use international data rate is $2.05/MB without an active plan. At that rate, 1 GB costs $2,099. A single Google Maps navigation session in Mauritania loads 50–100 MB — that is $102–$205 at pay-per-use. A 5GB eSIM on a local network costs $14.95 for the same data. Always activate a day pass or eSIM before your flight. Rates checked June 2026.
Our recommendation
eSIM vs roaming in Mauritania: the price gap
Our pick for Mauritania: Airalo. Mauritania is a thin eSIM market and we could not price a plan tier here. Airalo and Holafly each list 200+ destinations, the highest count this site prints, so it is among the likeliest of the five to stock Mauritania on a local network. Holafly is the alternative, at 200+ destinations with a 180-day refund window if the plan turns out not to cover you.
Learn more
Travel guides, Mauritania
4 guides carry the parts of a Mauritania trip this page does not price: installing the profile before departure, switching data roaming off on the home SIM, and what happens to the allowance once a fair-use policy applies. Each one reads the same rate card as this page, where AT&T bills $12 a day.
Compare Mauritania eSIM rates against carrier roaming rates
An eSIM for Mauritania installs in minutes before you board. No waiting at airport kiosks. No $12/day surprise charges.
Get a Mauritania eSIM