Local Calling Guide
Area code/prefix search
  
      NPA: 617
     [Rate centres in NPA 617]
     [Dial plan for NPA 617]
    
        NXX: 751
      
  
    
      | NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date | 
  
  
          
          | 617-751 | A | Brookline | MA |  | 4018 LEVEL 3 COMMUNICATIONS, LLC - MA | 128 |  |  |  | 
        
          | 617-751 | 0 | Brookline | MA | NRTNMAAACM4 | 6889 OMNIPOINT MIAMI E LICENSE, LLC | 128 |  | 2020-10-07 |  | 
        
          | 617-751 | 1 | Brookline | MA | SOVLMAABDS2 | 268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | 128 |  | 2020-08-24 |  | 
        
          | 617-751 | 2 | Brookline | MA |  | 829J PAETEC ITEL, LLC | 128 |  | 2009-10-08 |  | 
        
          | 617-751 | 3 | Brookline | MA | STHMMAGBGT0 | 7619 RCN TELECOM SERVICES, INC. - MA | 128 |  | 2013-08-24 |  | 
        
          | 617-751 | 4 | Brookline | MA |  | 4018 LEVEL 3 COMMUNICATIONS, LLC - MA | 128 |  |  |  | 
        
          | 617-751 | 5 | Brookline | MA |  | 829J PAETEC ITEL, LLC | 128 |  | 2010-11-01 |  | 
        
          | 617-751 | 6 | Brookline | MA | CMBRMAORDSG | 4018 LEVEL 3 COMMUNICATIONS, LLC - MA | 128 |  |  |  | 
        
          | 617-751 | 7 | Brookline | MA | CMBRMAORDSG | 4018 LEVEL 3 COMMUNICATIONS, LLC - MA | 128 |  |  |  | 
        
          | 617-751 | 8 | Brookline | MA | NRTNMAAACM4 | 6889 OMNIPOINT MIAMI E LICENSE, LLC | 128 |  | 2013-10-11 |  | 
        
          | 617-751 | 9 | Brookline | MA | NRTNMAAACM4 | 6889 OMNIPOINT MIAMI E LICENSE, LLC | 128 |  | 2013-10-11 |  | 
  
  
   Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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