There is no area code +1 893 in North America (USA, Canada, etc.).
There also are no valid international numbers beginning with +893.
There is no area code 893 in Mexico. There is no area code 893 (or 0893) in the UK.
(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.)
That's not an area code... area codes are three digits. 937 is an area code for southwestern Ohio.
The country code and area code of Ksamil, Albania is 355, (0)893.
The country code and area code of Naidong- XZ, China is 86, (0)893.
The country code and area code of Kita District- Ehime, Japan is 81, (0)893.
The country code and area code of Nagorny Karabakh, Russian Federation is 7, (8)893.
The area of Al Rayyan is 893 square kilometers.
893 is not prime. The factors of 893 are: 1 19 47 893
893 miles. Area 51 is near Groom Lake, Nevada.
I suspect it is 893.
47
19 x 47 = 893
910-17 = 893
1, 19, 47, 893