Some Useful names and numbers to contact if you loose a pet in the Tyneside area of the UK.
Don't just call these numbers - go along and see if your pet is there. Rescue centres receive many lost animals, and it is impossible to identify them by phone.

Cat and Dog Shelters:

Benton North Farm : 0191-2150435.
Claremont Road      : 0919-2322878.

Other places to try:

Pet Search :      01670-364555 / 0191-2632317 / 26982138
Cat Protection:  0191-2628190.

Local Authority Dog Wardens.

Newcastle :  2318520.
Sunderland: 5676161.
Gateshead:  4771011.
South Shields: 4271717.
North Tyneside: 2581902/2010033.
Blyth Valley: 01670- 542000.
Morpeth: 01670-514351.
Wansbeck: 01670-814444.

Other rescue Kennels.

Byker Farm: 2323698.
Deer Ness: 3780439
Brysons (Gateshead): 4875858.
PDSA: 2320595.
Cleadon West Hall: 5292369.

Have you asked at your local vet surgery? or at the local police station?
Maybe a breed club secretary could help you locate a missing pure bred dog?- the Kennel Club keep a list of local clubs in your area.
Seriously consider permanently identifying your pet with a tattoo or a micro-chip.