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The largest size envelope that can be mailed with a 45-cent stamp typically falls under the category of a "letter" by USPS standards, which is up to 11.5 inches long, 6.125 inches high, and 0.25 inches thick, weighing no more than 1 ounce. For larger dimensions or heavier weights, additional postage would be required. Always check the current USPS guidelines for any updates or changes in pricing.

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1w ago

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Related Questions

What is the largest size envelope that can be mailed with a regular stamp?

The largest letter that can be mailed with a regular stamp is 11 1/2" X 6 1/8." Further info can be found on the official USPS page at: https://www.usps.com/send/can-you-mail-it.htm?#3


What stamp do you use for a envelope size of 11x22?

It is not the size of the envelope that matters, it is the weight - it is probably best to have the package weighed at the Post Office to obtain the correct postage.


What sort of stamp do you need for a regular size envelope?

US Mail standard envelope up to 1 ounce in weight needs a 42 cent stamp (or any combination of stamps that total 42 cents.)


How many letter size pages can I mail in a business envelope with one first class stamp?

You can typically mail one letter-size page in a business envelope with one first-class stamp. If you include additional pages, the envelope may exceed the weight limit for a single stamp (1 ounce). For every additional ounce, you'll need to add more postage. It's always best to check with your local postal service for the most accurate and current guidelines.


How many stamps do you need to mail a regular size envelope from NY to California?

One 49-cent stamp should be all that is needed.


What stamp do you use for an envelope size of 7 and seven eighths by 7 and 5 eighths?

It depends on what country you are posting from, where to and, possibly, the weight of the package.


How do you know how many stamps to use?

Postage is determined by weight and by size. An envelope with three pieces of normal paper can normally be sent with one first class postage stamp. Additional stamps may be required based on additional ounces and on the size of the envelope.


What is standard Size of envelope?

What is the standard-size large envelope?


Stamps needed on 3 page letter from Philadelphia to Los Angeles?

If it fits in a standard business size envelope, regular domestic postage stamp.


How many sheets of paper can you mail in an envelope using 1 stamp?

Not all paper has the same thickness or size, but if you are using the most usual type of paper, you can mail four sheets with one regular stamp.


How many stamps are needed to get from Georgia to Colorado?

You can send up to five sheets of paper in a regular or business size envelope for one 42¢ stamp, to any state.


How much stamp for a 1 oz letter mailed in California?

For a standard size envelope it is 44 cents.