Program : !STDcodes
Author  : Nomen Nostri Systems
Version : 2.00 (27/Oct/90)
Release : Public Domain.
Size    : 107(ish)K 

Purpose:   
        Gives Information on S.T.D. codes, just enter exchange name (e.g. Leicester) to get the code or the STD code (e.g. 0533) to get the name. Click the main icon, type the name/code into the writeable icon, and select "Start Search". The Hourglass will appear* whilst a search is in action, all other tasks still work as normal. You can close the input window if you wish. Average seek time about 15-30 seconds 
 * = Hourglass comes on whilst pointer is on the input window. 

V1.00 Originally published in Arena Magazine disc 1.02, now MUCH better. 