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Change in non-geographic numbers 0845 to 0345

Following Ofcom recommendations on simplifying call charges to consumers, Ordnance Survey is to switch all help desks from 0845 numbers to 0345 prefixes.

Our new 0345 prefixes were activated on Friday 20 June meaning - for example - that the Customer Services number 0845 605 0505 becomes 0345 605 0505. There is no change to the services themselves.

All customers will now be charged a lower rate for calls – 0345 numbers cost no more to call than a geographic (01 or 02) number and are usually included in inclusive minutes packages and discount schemes.

To assist in a smooth transition the 0845 numbers will remain operational alongside the new 0345 numbers for a period of six months before being phased out in October.

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