The classification can be used as a retrieval system to access materials through the subject and geographic numbers.

They are similar to geographic numbers but not tied to a specific location, allowing for nomadic use.

All geographic numbers are dialed in the ten-digit format, even for local calls.

In France, geographic number portability has been available since January 1, 1998.

Mobile telephone numbers, however, always have 9 digits, just like geographic numbers.

An organisation may prefer a non-geographic number over a geographic number for several reasons.

Geographic numbers are allocated in blocks to telecommunications providers.

Geographic numbers are nine digits long, including the area code, but not including the leading zero.

In Hungary, portability exists for geographic numbers since January 1, 2004.

All other allocations have already been converted to ordinary geographic numbers.)

In each case, both providers tied the call price to their national call price for geographic numbers.

In the simplest case, the toll-free number is translated into a regular geographic number.

This made it difficult to remember which prefixes cost more than standard geographic numbers as they had similar looking prefixes.

This is the newest geographic number format.

Non-geographic numbers (such as 0800 or 0810) are not accessible from outside Argentina and the standard geographic number must be dialed instead.

A short sample of geographic numbers, set out in the officially approved (Ofcom) number groups:

This is the geographic number format for the second round of large cities and towns moved to brand-new three-digit area codes.

Airtel-Vodafone launched geographic number fixed-mobile services in 2009.

With those changes, calls to NGNs became substantially more expensive than calling geographic numbers.

Some consumers have tried to avoid calling non-geographic numbers by instead calling a non-advertised geographic number.

In the Netherlands any telephone number consists of 10 digits and the geographic number is often separated with a minus sign.

Calls to local geographic numbers and to "local rate" NGNs cost the same amount.

In some areas, patients took it upon themselves to find and publish geographic numbers for GPs continuing to flout the 0844 ban.

Geographic Number Portability (between fixed operators) was introduced on 26 April 2010.

Oftel identified old (070x) xx geographic number ranges that had not been used before and re-allocated those first.