Verizon's Network Coverage:
United States
* The SIM card may work in select places overseas, but due to technological differences is not recommended for use outside of the United States, and it may also require activation for use overseas if it works at all
For an idea on plans available (in area code 03431 on Dec 15, 2021) see Verizon plan offerings here.
Important Customer Information: Prepaid - Terms & Conditions (Important Plan Information)
Important Information About Verizon Wireless Broadband Internet Access Services (Important Broadband Information)
Verizon's Compare plans button info.
AT&T's Network Coverage:
United States
* The SIM card may work overseas, but we have not tested this, and may depend on optional services selected upon activation
For an idea on plans available (at least in area code 03431 on Feb 7th, 2024) see AT&T plan offerings here. For phones see offerings here as of July 13, 2021.
Three's Network Coverage:
Europe: United Kindom, Aland Islands, Austria, Azores, Balearic Islands, Belgium, Bulgaria, Canary Islands, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, French Guiana, Germany, Gibraltar, Greece, Guadeloupe, Guernsey, Hungary, Iceland, Ireland, Isle of Man, Italy, Jersey, Latvia, Liechtenstein, Lithuania, Luxembourg, Madeira, Malta, Martinique, Netherlands, Norway, Poland, Portugal, Reunion, Romania, Saint Barthelemy, Saint Martin, Saint Marino, Slovakia, Slovenia, Spain, Sweden, Switzerland, Vatican City
Asia: Indonesia, Israel, Macau , Hong Kong, Singapore, Sri Lanka, Vietnam
Others: United States, Brazil, Chile, Columbia, Costa Rica, El Salvador, Guatamala, Nicaragua, Panama, Peru, Puerto Rico, Uruguay, US Virgin Islands, New Zealand, Australia
* Natively a UK SIM card, but with support for use overseas as advertised above. We activated and tested this SIM card in the United States and can confirm that it is possible to activate it from outside the UK. Simply follow our directions.