02033 are bought as business numbers and the
"Business " concerned could be anywhere around the globe. Check the internet . Do a search. These numbers may be bought for a fiver currently. Scammers are having a field day.
Check this out .....( copy&pasted from a Google sesrch)
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In the UK, telephone area code 020 (+44 20 in international format) is London, and there are some numbers beginning with 020 33, but the 33 is the first two digits of an 8-digit local number. In Germany, area code 0203 (+49 203 in international format) is Duisburg. There are many other countries where 02033 or similar could be a valid domestic telephone area code. Telephone country code +20 is Egypt, and +20 3 is the area code for Alexandria.
Chipping Norton, Oxfordshire.
01420 is for Alton, in Hampshire.
The area code of 01702 is for the seaside resort of Southend-on-Sea.
No-where - UK numbers starting with 07 are mobile (cell) phone numbers.
0121 serves the Birmingham, England area for telephone networks.
(01933) or +44 1933.
01254 is the code for Blackburn in Lancashire. 82 is part of the local number.
01274 +44 1274 from overseas.
Ruhinda is not a place name in present-day Uganda, so it does not have a telephone area code.
Nowhere - UK numbers starting with 070 are personal "follow-me" numbers, which can be forwarded to almost anywhere in the world.
It is (01603) or +44 1603.