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TELEPHONY NUMBER RANGES

 

Each site in DIT has an allocation of extension numbers associated with it.

Below is a summary of the main sites and the extension numbers which are associated with them:

 

Aungier Street 3000 - 3299
  7000 - 7199

 

23 Mountjoy Square

 

7600 - 7629

 

Green Street

 

7640 - 7649

 

Camden Row

 

7900 - 7999

 

Bolton Street

 

2900 - 2999

  3600 - 3999
  4000 - 4099

 

Cathal Brugha Street         

 

4300 - 4549

  7540 - 7599

 

Chatham Row

 

3570 - 3599

 

Kevin Street

 

2800 - 2899

  4550 - 4999

 

Mount Street

 

7860 - 7899

 

Mountjoy Square

 

4100 - 4299

 

143 Rathmines Road

 

3300 - 3449

  7500 - 7539

 

159 Rathmines Road

 

3450 - 3539

  7650 - 7699
  7800 - 7859

 

Portland Row

 

3540 - 3569

 

Dominick Court

 

7630 - 7639

 

Mobile Extensions

 

8000 - 8099

 

(In the case where an annex building is a part of the voice network, the extensions used within that annex are most likely belonging to the closest major site listed blow)