A foreign citizen wishing to enter the United States generally must first obtain a U.S. visa, which is placed in the traveler’s passport or travel document issued by their country of nationality.
Once you have gone through all the steps for the US visa application, you have the option to verify online whether the visa has been approved or not, as published by the US government.
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How to check if they have approved the US visa
You must enter the official Consular Electronic Application Center (CEAC) page. There you have the opportunity to check the status of your visa application. In addition, you can apply for a non-immigrant visa or apply for its renewal on the same page.
You must select the option that says “Check the status of my visa application”. After that, you need to enter the type of visa, case number and code that appears on the screen.
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How long does it take for the visa to arrive if I am approved?
Before knowing the waiting time, it is important to consider the option you chose when your visa was approved. If you choose to go to CAS, the waiting time is different than for home delivery.
How long it takes for the visa to arrive depends on each case, but it usually takes between 2 and 4 weeks to arrive, once approved by a consular officer.
If you chose the CAS pick-up option, it will probably arrive sooner. This notice would be given by mail; however, if you have chosen DHL delivery, the delivery may take longer.
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Source: Eluniverso

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