Local Calling Guide
Area code/prefix search
  
      NPA: 517
     [Rate centres in NPA 517]
     [Dial plan for NPA 517]
    
        NXX: 990
      
  
    
      | NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date | 
  
  
          
          | 517-990 | A | Jackson | MI | LNNGMIMNX4Z | 6534 NEW CINGULAR WIRELESS PCS, LLC - IL | 346 |  |  |  | 
        
          | 517-990 | 0 | Jackson | MI | LNNGMIMNX5Z | 543C ONVOY, LLCV - MI | 346 |  |  |  | 
        
          | 517-990 | 1 | Jackson | MI | LNNGMIVE2MD | 6120 LEVEL 3 COMMUNICATIONS, LLC - MI | 346 |  |  |  | 
        
          | 517-990 | 2 | Jackson | MI | LNNGMIMNX4Z | 6534 NEW CINGULAR WIRELESS PCS, LLC - IL | 346 |  | 2005-05-24 |  | 
        
          | 517-990 | 3 | Jackson | MI | LNNGMIMN02Z | 318J COMCAST IP PHONE, LLC | 346 |  |  |  | 
        
          | 517-990 | 4 | Jackson | MI | LNNGMIMNX4Z | 6534 NEW CINGULAR WIRELESS PCS, LLC - IL | 346 |  | 2005-09-10 |  | 
        
          | 517-990 | 5 | Jackson | MI | LNNGMIMNX4Z | 6534 NEW CINGULAR WIRELESS PCS, LLC - IL | 346 |  | 2006-02-06 |  | 
        
          | 517-990 | 6 | Jackson | MI | LNNGMIVE2MD | 6120 LEVEL 3 COMMUNICATIONS, LLC - MI | 346 |  |  |  | 
        
          | 517-990 | 7 | Jackson | MI | LNNGMIMNX4Z | 6534 NEW CINGULAR WIRELESS PCS, LLC - IL | 346 |  | 2006-01-04 |  | 
        
          | 517-990 | 8 | Jackson | MI | LNNGMIMN02Z | 318J COMCAST IP PHONE, LLC | 346 |  | 2008-09-26 |  | 
        
          | 517-990 | 9 | Jackson | MI | MDTPMICODS0 | 3535 ACD TELECOM, INC. - MI | 346 |  |  |  | 
  
  
   Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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