North American (USA, Canada, etc.) area code +1 343 is Ottawa, Ontario, Canada. Area code +1 791 does not exist. The 343-791 prefix also does not exist.
Country code +34 is Spain, but there are no numbers beginning with +34 3. Country code +7 is Russia and Kazakhstan, and +7 91 is a Russian mobile number.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, and many other countries use different prefixes.)
343 + 87 + 361 = 791
There is no city in the UK starting with area code 791. All 'area' codes starting with 7 are mobile (cell) phone numbers.
The volume of a cube that has a surface area of 343 is 432.2
Area code 343 has been assigned in Canada, to overlay the 613 area code in Eastern Ontario. This area includes Ottawa
395% of 791 = 395% * 791 = 3.95 * 791 = 3,124.45
791 is greater than 709.
791 * 110 = 87,010
73 = 343
0.0329
The area of Tan Phuoc District is 343 square kilometers.
1 x 791, 7 x 113, 113 x 7, 791 x 1.
Presuming its a cube, then: 6 * ( ( cube root ( 343 ) )2 ) > = 294 sq cms