Section 1 -T h e B I G N U M B E R (S)
UK Code & Number Changes
As you are probably aware, the demand for telephone numbers (for use with faxes, mobiles, ISDN, switchboards, freephone, information services and PC use) has never been greater. To keep pace with the growth, a major restructuring of codes and existing numbers is necessary...
The 6 Cities Code & Number Changes
1st June 1999 Parallel running begins for National Numbers only
22nd April 2000 Old Local Numbers will only work will old National Codes
August-October 2000 Phased withdrawal of old codes and numbers.
| City |
Existing Formats |
New Codes |
| LONDON (0171) |
(0171) 123 4567 |
(020) 7123 4567 |
| LONDON (0181) |
(0181) 123 4567 |
(020) 8123 4567 |
| PORTSMOUTH |
(01705) 123456 |
(023) 9212 3456 |
| SOUTHAMPTON |
(01703) 123456 |
(023) 8012 3456 |
| COVENTRY |
(01203) 123456 |
(024) 7612 3456 |
| CARDIFF |
(01222) 123456 |
(029) 2012 3456 |
NORTHERN IRELAND e.g. Belfast (01232) 123456 becomes (028) 9012 3456
N.B All codes in N.I. are changing, Belfast is just one example.
All numbers shown are illustrative only.
Notes
After the end of parallel running on 14th October 2000 London once again has a single code. |
