If this is a UK question, (020) is the London area code, and that number will be (020) 8991 XXXX.
8991 is the Greenford and Perivale areas near London.
In the United States, area code 208 is Idaho, and 208-991 is a number in Boise.
As an international number, country code 20 is Egypt, but there are no numbers beginning with 8991.
There is no area code 991 in North America (USA, Canada, etc.).In Mexico, area code 991 is in the north central part of the state of Yucatán, east of Mérida.Other countries may have a telephone area code 991 or similar.International telephone country code +991 is reserved for a trial of ITPCS, International Telecommunication Personal Correspondence Service, but no one is quite sure what that means.(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, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
The country code and area code of Deggendorf, Germany is 49, (0)991.
The country code and area code of Baca, Mexico is 52, (01)991.
Boise, Idaho
The country code and area code of Urumchi- XJ, China is 86, (0)991.
The area of Gwadabawa is 991 square kilometers.
The area of Bitou Local Municipality is 991 square kilometers.
10 991 KM2Jamaica%27s_total_area_in_kms
Insufficient information. Country code +991 is assigned for a trial of International Telecommunication Public Correspondence Service (ITPCS). Back in 2002, +991 001 was assigned for an ENUM trial, but the numbers are no longer valid.
The positive integer factors of 991 are: 1, 991
1 and 991
There is no country code +191. Country code +1 is the US, Canada, and some nearby islands, and all nine +1 91X codes are in the US, but you need the next digit to narrow down the area further. For example, +1 913 is in Kansas, +1 916 is in California, and +1 919 is in North Carolina. There should be exactly 8 more digits after +1 91. Country code +91 is India.