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Washington, D.C. eSIM

100 United States plans · from $3.14

Washington is a museum city where almost everything worth seeing needs a timed pass booked on your phone, and the free Smithsonian entries go quickly. A travel eSIM means you can grab a same-day slot standing on the Mall, and it avoids the $10–15 daily roaming charge most non-US carriers apply.

Landing at Reagan National, Dulles & Baltimore (DCA / IAD / BWI)

Reagan National connects straight to the Metro and is 15 minutes from downtown. Dulles now has the Silver Line, roughly an hour in. BWI needs a shuttle to a MARC or Amtrak train — check which airport your ticket actually uses before booking a transfer.

eSIM plans that cover Washington, D.C.

Washington, D.C. is covered by every United States plan below — there is no separate city-only eSIM to buy.

Choose a data plan

1 GB

7 days· 0.3 GB per $1

$3.14

5% back in credits

★ BEST VALUE

$4.01

5% back in credits

$4.73

5% back in credits

2 GB

15 days· 0.4 GB per $1

$5.08

5% back in credits

3 GB

30 days· 0.4 GB per $1

$6.69

5% back in credits

$9.08

5% back in credits

$9.81

5% back in credits

5 GB

30 days· 0.5 GB per $1

$10.43

5% back in credits

$11.69

5% back in credits

$15.44

5% back in credits

10 GB

30 days· 0.6 GB per $1

$17.87

5% back in credits

$18.44

5% back in credits

$20.02

5% back in credits

$21.12

5% back in credits

$22.97

5% back in credits

$25.26

5% back in credits

$29.05

5% back in credits

20 GB

30 days· 0.6 GB per $1

$31.60

5% back in credits

$31.78

5% back in credits

$34.78

5% back in credits

$36.49

5% back in credits

$42.94

5% back in credits

$47.47

5% back in credits

$50.10

5% back in credits

$51.44

5% back in credits

20 GB

Europe + USA only

60 days· 0.4 GB per $1

$53.91

5% back in credits

$69.15

5% back in credits

50 GB

30 days· 0.7 GB per $1

$71.18

5% back in credits

$84.48

5% back in credits

$101.30

5% back in credits

$102.49

5% back in credits

How “Unlimited” works: Never cut off — each plan gives a set amount of full-speed data, then a slower speed. The exact allowance and speed are shown on every plan.Read more

Unlimited plans never run out and your eSIM is never disconnected, but every one has a fair-use limit: a set amount of full-speed data, after which the speed is reduced. The amounts differ between plans — most give a daily full-speed allowance that refills every 24 hours from when you first activate the eSIM, while Premium plans give a larger allowance for the whole plan instead. Each plan states its own allowance and the speed after it before you buy. At the reduced speed, messaging, maps, email and light browsing still work; video streaming and video calls may not. If you want every gigabyte at full speed, choose a fixed-GB plan.

Which networks you'll be on in Washington, D.C.

Siima eSIMs for the United States ride T-Mobile and AT&T. Both give strong 5G across the DC metro area and the wider Washington–Baltimore corridor.

Coverage around Washington, D.C.

Metro (WMATA)

Cellular coverage is now live across the entire underground Metro system, including tunnels between stations — a relatively recent completion, so older travel advice saying otherwise is out of date.

The National Mall

Strong coverage across the whole two-mile stretch, though large events and July 4th crowds congest the cells badly. The Smithsonian museums have workable indoor signal on the main floors.

Capitol Hill and government buildings

Coverage is good outdoors throughout. Some federal building interiors have poor signal and several require phones to be stowed at security.

Arlington, Georgetown and Mount Vernon

All well covered. Georgetown is a notable weak point for transit rather than signal — there is no Metro station, so live bus and rideshare data is genuinely useful there.

How much data you need

Washington is a compact, walkable trip: 2–4 GB covers a typical four-day visit. If you are continuing to New York or on a wider US road trip, size for the whole route — the plan is country-wide.

Work it out with our data usage calculator →

Frequently asked questions

Is Washington DC the best US city to base a first trip in?
It is the capital and the easiest city in the country for free museums, but it is not the busiest US destination — New York, Orlando and Los Angeles all draw more visitors. Your Siima plan is country-wide either way, so the same eSIM works wherever you go next.
Does a US eSIM work in Canada or Mexico?
No. A United States plan covers the US only, including Hawaii and Alaska. Cross-border trips to Toronto, Vancouver or Tijuana need their own country plan or a North America regional plan.
How do I set up an eSIM before arriving in Washington, D.C.?
Install it at home while you still have Wi-Fi: open Settings → Cellular → Add eSIM and scan the QR code on your Siima eSIM page (open it from your account, or from the link in your Siima email). Leave the line switched off until you land — the plan starts counting from first use in United States, not from purchase.
How much data do I need for a trip to Washington, D.C.?
Washington is a compact, walkable trip: 2–4 GB covers a typical four-day visit. If you are continuing to New York or on a wider US road trip, size for the whole route — the plan is country-wide.
Is an eSIM cheaper than roaming in Washington, D.C.?
Almost always. Daily roaming passes from most home carriers run $10–15 per day, while Siima plans covering Washington, D.C. start from $3.14 for the whole trip. You also avoid per-megabyte charges if you exceed a roaming pass allowance.
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