Local Calling Guide
Area code/prefix search
  
        Chester, OH
      
  
    
      | NPA-NXX | 
      BLOCK | 
        Switch | 
        OCN | 
        LATA | 
        LIR | 
        Eff date | 
      Disc date | 
    
  
  
          
          | 220-236
           | A | 
      	      CLMBOH1128Z  | 
		      225H CEBRIDGE TELECOM OH, LLC DBA SUDDENLINK COMM | 
		      324 | 
		        | 
	            | 
           
       | 
      
        
          | 220-236
           | 0 | 
      	      CLMBOH1143Z  | 
		      624H ONVOY SPECTRUM, LLC | 
		      324 | 
		        | 
	          2024-07-25  | 
           
       | 
      
        
          | 220-236
           | 2 | 
      	      CLMBOH1128Z  | 
		      225H CEBRIDGE TELECOM OH, LLC DBA SUDDENLINK COMM | 
		      324 | 
		        | 
	          2022-10-23  | 
           
       | 
      
        
          | 740-570
           | A | 
      	      CHESOHXARS1  | 
		      0666 WINDSTREAM WESTERN RESERVE, INC. | 
		      324 | 
		        | 
	            | 
           
       | 
      
        
          | 740-570
           | 0 | 
      	      CHESOHXARS1  | 
		      0666 WINDSTREAM WESTERN RESERVE, INC. | 
		      324 | 
		        | 
	            | 
           
       | 
      
        
          | 740-570
           | 1 | 
      	      CLMDOHZI6MD  | 
		      4863 LEVEL 3 COMMUNICATIONS, LLC - OH | 
		      324 | 
		        | 
	          2007-02-10  | 
           
       | 
      
        
          | 740-570
           | 2 | 
      	      CLMKOHPE0MD  | 
		      793K TWC IP ENABLED SERVICES, LLC | 
		      324 | 
		        | 
	          2016-11-07  | 
           
       | 
      
        
          | 740-570
           | 3 | 
      	      CLMBOHLT1MD  | 
		      464C ONVOY, LLC - OH | 
		      324 | 
		        | 
	          2021-04-13  | 
           
       | 
      
        
          | 740-570
           | 4 | 
      	      CLMBOHLT1MD  | 
		      464C ONVOY, LLC - OH | 
		      324 | 
		        | 
	          2019-10-05  | 
           
       | 
      
        
          | 740-570
           | 5 | 
      	      CLMBOH11XLZ  | 
		      001F BANDWIDTH.COM CLEC, LLC - OH | 
		      324 | 
		        | 
	          2018-08-20  | 
           
       | 
      
        
          | 740-570
           | 7 | 
      	      CLMBOHLT1MD  | 
		      464C ONVOY, LLC - OH | 
		      324 | 
		        | 
	          2021-03-11  | 
           
       | 
      
        
          | 740-570
           | 8 | 
      	        | 
		      145J TERRA NOVA TELECOM INC. | 
		      324 | 
		        | 
	          2025-07-20  | 
           
       | 
      
        
          | 740-570
           | 9 | 
      	      CHESOHXARP0  | 
		      0666 WINDSTREAM WESTERN RESERVE, INC. | 
		      324 | 
		        | 
	            | 
           
       | 
      
        
          | 740-985
           | A | 
      	      CHESOHXARS1  | 
		      0666 WINDSTREAM WESTERN RESERVE, INC. | 
		      324 | 
		        | 
	            | 
           
       | 
      
  
  
   Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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