The CoreESIM for Singapore is designed to connect to the leading Tier-1 mobile network operators: Singtel and StarHub. These carriers are distinguished by their robust 5G NR (New Radio) deployments and extensive network footprints across the island. Our provisioning prioritizes these networks to ensure users experience optimal data speeds and low latency, from the financial district to the residential areas and even the offshore islands like Sentosa.
HELP CENTER
What are the primary network operators for CoreESIM in Singapore?
Updated April 22, 2026
Was this answer helpful?
Related questions
Other answers in this topic that travelers found useful.
Is roaming free in Turks and Caicos with my US (AT&T/T-Mobile) or UK SIM card?
No, roaming is not free in Turks and Caicos with US (AT&T/T-Mobile) or UK SIM cards, and this is a common roaming trap for travelers. While …
Read answerWhich local networks does the Portugal eSIM connect to? (Is it Vodafone, MEO, or NOS?)
Your Portugal eSIM connects to the country's top Tier-1 networks: Vodafone Portugal , MEO , and NOS , ensuring wide coverage and fast 4G/LTE…
Read answerWhich local networks does the Fiji eSIM connect to? (Vodafone or Digicel?)
Our Fiji eSIM connects to both Vodafone Fiji and Digicel Fiji, ensuring you get the best possible coverage across the islands. As a traveler…
Read answerIs roaming free in the Cayman Islands with my US (AT&T/T-Mobile) or UK SIM card?
No, roaming is not free in the Cayman Islands with your US (AT&T/T-Mobile) or UK SIM card; it is not included in domestic plans. This is…
Read answerWhich local networks does the Norway eSIM connect to? (Is it Telenor or Telia?)
Our Norway eSIM connects to premium Tier-1 networks like Telenor and Telia, ensuring excellent speed and coverage across the country. When y…
Read answer