Internet & SIM cards in Chonburi.

AIS Fibre is the fibre arm of AIS, Thailand's largest mobile operator, and the default choice for many relocating employees across Sriracha, Laem Chabang, Amata Nakorn and Chonburi City. Plans typically run from around 400-600 baht a month for 300-500 Mbps up to roughly 700-1,000+ baht for gigabit tiers, often bundled with AIS Play TV and a mesh router. Coverage is strong across the province's corporate condo and serviced-apartment stock, English-language support is available, and installation in a wired-up building usually happens within a few days.

True is the other giant, offering True Online fibre frequently bundled with TrueVisions TV and True mobile SIM discounts. Pricing is broadly similar to AIS - roughly 400-900 baht a month depending on speed - and many serviced apartments in Sriracha and near the industrial estates are pre-wired for True, making setup quick for staff arriving on a company timeline. True's promotions and bundle deals are aggressive, so it is worth comparing the exact package on offer in your specific building.

3BB (now under the AIS/3BB umbrella) is the budget-friendly, no-frills fibre provider, often undercutting the big two on price for a straightforward fast connection without TV bundles. It is well established across Chonburi province and remains a solid value pick where available - though coverage and building availability vary between central Sriracha, Laem Chabang, Amata Nakorn and Chonburi City, so always check which providers your apartment or house is already wired for before choosing.

NT is the state-owned operator formed from the merger of TOT and CAT, and it offers fibre broadband that reaches some Chonburi City and outlying addresses the private ISPs skip - particularly older buildings and areas further from the industrial estates. Pricing is competitive and often month-to-month, though the app and support experience is more basic and less English-friendly than AIS or True. For most corporate relocations NT is a backup option, but if the big providers say a line is not available at a particular address, NT is worth asking about.

In most Sriracha and Amata Nakorn-area serviced apartments and condos, one or more providers are already wired into the building, so you simply pick a plan, book an appointment and a technician installs a router within a few days - important when a company needs a new hire online fast. Houses further out or older addresses in Chonburi City may need a fresh line pulled, which can take a little longer. You will usually need a passport and lease; some plans ask for a 12-month contract while others are month-to-month at a slightly higher rate. Many corporate-arranged serviced apartments already include fibre in the rent, so check with HR or the property manager before signing up separately.

Thailand has three main mobile networks: AIS (the largest, with the best rural and overall coverage), True (strong in cities and heavily bundled), and dtac (now merged with True, often the value choice). Across Sriracha, Laem Chabang, Amata Nakorn and Chonburi City all three deliver fast, reliable 4G/5G, so the decision usually comes down to price, the shop nearest you, and whether you want to bundle with home internet. AIS is the safe default for the widest coverage if you travel around the industrial estates, out toward the port, or elsewhere in Thailand.

Prepaid (top-up) SIMs are the easy starting point: buy one over the counter with your passport, add credit, and pick a data package - no contract, no credit check. Postpaid (monthly bill) plans can be cheaper per gigabyte for heavy users and give you a fixed number, but they require more paperwork - typically a passport plus proof of address or a work permit, and sometimes a deposit for foreigners. Most relocating staff in Chonburi start on prepaid on arrival and switch to postpaid once settled with a lease, work permit and address.

In the operator shops and convenience stores around Sriracha and Chonburi City you will see 'Tourist SIM' packages - typically 8, 15 or 30 days of generous or unlimited data for a few hundred baht. They are convenient for a first week while paperwork clears but poor value for a multi-year assignment. For a long stay, buy a standard prepaid SIM from an operator shop or convenience store and attach a monthly data package (often 300-600 baht for large or unlimited data), which works out far cheaper than repeatedly renewing tourist bundles.

All three Thai networks now support eSIM on compatible phones, and you can activate an AIS, True or dtac eSIM in-store by scanning a QR code - handy if your phone lacks a spare physical slot. Because most relocating staff fly into Bangkok's Suvarnabhumi and then drive or transfer to Sriracha, Laem Chabang or Amata Nakorn, an international travel eSIM (Airalo, Holafly and similar) lets you land already connected for the first day, though for a long-term assignment a local physical or eSIM plan from a Thai operator is cheaper. Confirm your phone model supports eSIM before relying on it.

Chonburi's industrial core has strong, business-grade connectivity: 5G reaches Sriracha, Laem Chabang and Amata Nakorn, 4G is fast and near-universal, and fibre to serviced apartments and offices comfortably handles video calls, ERP systems and large file transfers - a baseline requirement for the manufacturing, logistics and automotive companies based here. Coverage thins a little in the more rural stretches between industrial estates, but the core corporate districts and Chonburi City are strong throughout. For remote and hybrid workers, a fibre home plan plus a generous mobile data package as backup is the standard setup - if the home line drops, you tether to your phone.

Chonburi has a smaller coworking scene than Bangkok or Pattaya, concentrated mainly in Sriracha and Chonburi City, alongside cafes with reliable wifi near the industrial estates - see our laptop-friendly cafes guide for specific spots. Most relocating professionals here work from a company office or plant rather than a coworking space day-to-day, so office-grade fibre (usually AIS or True business lines) is the primary connection, with a coworking desk or cafe useful for occasional off-site days or client calls.

Topping up a prepaid SIM is effortless: use the operator's app (myAIS, TrueiD, dtac), buy a top-up at any 7-Eleven or Family Mart - both are on almost every corner in Sriracha and Chonburi City - use top-up machines and kiosks, or dial the USSD code on your SIM starter pack. Once you have credit you activate a data package through the app or a short code. The apps also let you check your balance, buy add-ons, and set auto-renew so your data package refreshes each month without you thinking about it.

You can buy a SIM at Bangkok's Suvarnabhumi or Don Muang airport when you land (convenient but pricier tourist bundles), at official AIS/True/dtac shops in Sriracha's malls and retail strips - best for postpaid plans, eSIM activation and English-speaking help - or at any 7-Eleven and convenience store across the province for a basic prepaid SIM. Thai law requires SIM registration, so always bring your passport - the shop or store will register the SIM to you on the spot. Company HR teams handling group relocations can often arrange a batch of SIMs for incoming staff directly with an operator's corporate desk.

Expect roughly 400-1,000 baht a month for home fibre depending on speed, and 300-600 baht a month for a solid mobile data package (unlimited-data plans sit at the upper end). A basic prepaid starter SIM costs around 50-200 baht before you add data. All in, a well-connected household or single professional in Chonburi typically spends about 700-1,500 baht a month on internet and mobile combined - modest by Western standards and easily justified for staff who depend on a stable connection for shift schedules, ERP access and calls back to head office.

AIS Fibre and True Online are the two biggest and most popular fibre providers, with 3BB a strong value alternative and NT a useful backup for outlying or older addresses. The best choice often comes down to which providers your serviced apartment, condo or house is already wired for, and the exact promotion on offer. Expect roughly 400-1,000 baht a month for speeds from 300 Mbps up to gigabit, frequently bundled with TV and a mesh router. Corporate-facing apartments in Sriracha and near Amata Nakorn are usually pre-wired, so setup takes only a few days.

Most relocating staff in Chonburi start with a prepaid (top-up) SIM because you can buy it over the counter with just your passport - no contract or credit check - and add a monthly data package. Postpaid (monthly bill) plans can be cheaper per gigabyte for heavy users and give a fixed number, but they require more paperwork such as proof of address or a work permit, and sometimes a deposit for foreigners.

All three networks - AIS, True and dtac (now merged with True) - deliver fast, reliable 4G and 5G across Sriracha, Laem Chabang, Amata Nakorn and Chonburi City, so in the built-up corporate districts the difference is small. AIS has the largest overall network and the best coverage if you travel between estates or out to quieter areas, which is why many relocating staff pick it as the safe default.

Yes. AIS, True and dtac all support eSIM on compatible phones, and you can activate one in-store by scanning a QR code - useful if your phone has no spare physical slot. International travel eSIMs such as Airalo or Holafly let you arrive already connected when you fly into Bangkok and transfer to Sriracha, Laem Chabang or Amata Nakorn, but for a long-term assignment a local Thai operator plan (physical SIM or eSIM) is cheaper. Check that your phone model supports eSIM before relying on it.

Budget roughly 400-1,000 baht a month for home fibre depending on speed, and 300-600 baht for a good mobile data package (unlimited plans at the upper end). A basic prepaid starter SIM is about 50-200 baht before data. Combined, a connected household typically spends around 700-1,500 baht a month on internet and mobile - a modest and easily budgeted line item for companies relocating staff into Sriracha, Laem Chabang or Amata Nakorn.