Newcastle upon Tyne uses UK telephone area code 0191, which is +44 191 in international format. The local number is a further 7 digits.
(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.)
NE3
In the UK, 0191 (or internationally +44 191) is for "Tyne & Wear," which includes Durham, Newcastle-upon-Tyne, Sunderland, North and South Shields, Gateshead, etc.
UK telephone area code 0191 is Tyneside, Sunderland, and Durham, sometimes collectively referred to as Tyne & Wear. The first digit of the local number specifies in which area the number is located. A number beginning 0191 2 is in the North Tyneside/Newcastle area, but the '2' is the first digit of the local number, not part of the area code.
Area code 0191 is "Tyne and Wear" in the north of England, and a number beginning with 0191 3 is in Durham.
This sort code belongs to HSBC Bank. This code is assigned to the Newcastle-Upon-Tyne City branch.
Lloyds TSB, Grey St., Newcastle upon Tyne.
Barclays Bank, Shields Road, Byker, Newcastle upon Tyne
There is no telephone area code 185 in Russia.
If you know the address you can put it into the Royal Mail Postcode Finder service on their website. For a location in Newcastle upon Tyne, I would expect the postcode generator to come up with something starting NE.
017724 is too long for telephone code in the UK, 01772 is the code for Preston, Lancashire.
Australian telephone area code 02 (or +61 2 in international format) covers most of New South Wales, all of A.C.T., and a couple of odd bits of neighbouring states. A number beginning with 02 49 is in the Newcastle/Lower Hunter area.
The telephone country code for Zimbabwe is +263. The area code for Beitbridge is 0286, or +263 286 in international format.