Local Calling Guide
Area code/prefix search
  
        Atascadero, CA
    << 1 2 3 
  
  
    
      | NPA-NXX | 
      BLOCK | 
        Switch | 
        OCN | 
        LATA | 
        LIR | 
        Eff date | 
      Disc date | 
    
  
  
          
          | 820-786
           | 1 | 
      	      SNLOCA01XCX  | 
		      981E BANDWIDTH.COM CLEC, LLC - CA | 
		      740 | 
		        | 
	          2021-10-28  | 
           
       | 
      
        
          | 820-786
           | 2 | 
      	      SNBBCAXFXFY  | 
		      624H ONVOY SPECTRUM, LLC | 
		      740 | 
		        | 
	          2021-12-15  | 
           
       | 
      
        
          | 820-786
           | 3 | 
      	      SNBBCAXFXFY  | 
		      624H ONVOY SPECTRUM, LLC | 
		      740 | 
		        | 
	          2021-12-15  | 
           
       | 
      
        
          | 820-786
           | 4 | 
      	      SNLOCA01XFX  | 
		      649C ONVOY, LLC - CA | 
		      740 | 
		        | 
	          2022-11-28  | 
           
       | 
      
        
          | 820-786
           | 5 | 
      	      SNLOCA01XYX  | 
		      6529 T-MOBILE USA, INC. | 
		      740 | 
		        | 
	          2023-01-23  | 
           
       | 
      
        
          | 820-786
           | 6 | 
      	      SNLOCA01XYX  | 
		      6529 T-MOBILE USA, INC. | 
		      740 | 
		        | 
	          2023-01-23  | 
           
       | 
      
        
          | 820-786
           | 7 | 
      	      SNBBCAXFXIY  | 
		      965H FRACTEL, LLC | 
		      740 | 
		        | 
	          2021-10-08  | 
           
       | 
      
        
          | 820-786
           | 8 | 
      	      SNLOCA01XEY  | 
		      6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 
		      740 | 
		        | 
	          2022-07-16  | 
           
       | 
      
        
          | 820-786
           | 9 | 
      	      SNLOCA01XYX  | 
		      6529 T-MOBILE USA, INC. | 
		      740 | 
		        | 
	          2023-06-07  | 
           
       | 
      
        
          | 820-998
           | A | 
      	      SNLOCA01XFX  | 
		      649C ONVOY, LLC - CA | 
		      740 | 
		        | 
	          2024-08-04  | 
           
       | 
      
        
          | 820-998
           | 0 | 
      	      SNLOCA01XFX  | 
		      649C ONVOY, LLC - CA | 
		      740 | 
		        | 
	          2024-08-04  | 
           
       | 
      
        
          | 820-998
           | 1 | 
      	      SNLOCA01XYX  | 
		      6529 T-MOBILE USA, INC. | 
		      740 | 
		        | 
	          2024-09-27  | 
           
       | 
      
        
          | 820-998
           | 2 | 
      	      SNLOCA01XYX  | 
		      6529 T-MOBILE USA, INC. | 
		      740 | 
		        | 
	          2024-09-27  | 
           
       | 
      
        
          | 820-998
           | 3 | 
      	      SNLOCA01XYX  | 
		      6529 T-MOBILE USA, INC. | 
		      740 | 
		        | 
	          2024-09-27  | 
           
       | 
      
        
          | 820-998
           | 4 | 
      	      SNLOCA01XYX  | 
		      6529 T-MOBILE USA, INC. | 
		      740 | 
		        | 
	          2024-09-27  | 
           
       | 
      
        
          | 820-998
           | 5 | 
      	      SNLOCA01XYX  | 
		      6529 T-MOBILE USA, INC. | 
		      740 | 
		        | 
	          2024-09-27  | 
           
       | 
      
        
          | 820-998
           | 6 | 
      	      SNLOCA01XYX  | 
		      6529 T-MOBILE USA, INC. | 
		      740 | 
		        | 
	          2024-09-27  | 
           
       | 
      
        
          | 820-998
           | 7 | 
      	      SNLOCA01XYX  | 
		      6529 T-MOBILE USA, INC. | 
		      740 | 
		        | 
	          2024-09-27  | 
           
       | 
      
        
          | 820-998
           | 8 | 
      	      SNLOCA01XYX  | 
		      6529 T-MOBILE USA, INC. | 
		      740 | 
		        | 
	          2024-08-11  | 
           
       | 
      
        
          | 820-998
           | 9 | 
      	      SNLOCA01XYX  | 
		      6529 T-MOBILE USA, INC. | 
		      740 | 
		        | 
	          2024-08-11  | 
           
       | 
      
  
  
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  Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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