Local Calling Guide
Area code/prefix search
  
        Bayfield, CO
      
  
    
      | NPA-NXX | 
      BLOCK | 
        Switch | 
        OCN | 
        LATA | 
        LIR | 
        Eff date | 
      Disc date | 
    
  
  
          
          | 970-444
           | A | 
      	      DURNCOBSDS0  | 
		      330B FASTTRACK COMMUNICATIONS, INC. - CO | 
		      656 | 
		        | 
	            | 
           
       | 
      
        
          | 970-444
           | 0 | 
      	      DURNCOBSDS0  | 
		      330B FASTTRACK COMMUNICATIONS, INC. - CO | 
		      656 | 
		        | 
	          2006-06-05  | 
           
       | 
      
        
          | 970-444
           | 1 | 
      	      DNVTCOZIDS1  | 
		      026D ONVOY, LLC - CO | 
		      656 | 
		        | 
	          2013-04-14  | 
           
       | 
      
        
          | 970-444
           | 2 | 
      	      DNVRCOMAXGZ  | 
		      078F BANDWIDTH.COM CLEC, LLC - CO | 
		      656 | 
		        | 
	          2010-11-15  | 
           
       | 
      
        
          | 970-444
           | 3 | 
      	        | 
		      145J TERRA NOVA TELECOM INC. | 
		      656 | 
		        | 
	          2022-07-04  | 
           
       | 
      
        
          | 970-444
           | 4 | 
      	      DNVTCOZIDS1  | 
		      026D ONVOY, LLC - CO | 
		      656 | 
		        | 
	          2013-04-04  | 
           
       | 
      
        
          | 970-444
           | 5 | 
      	      DNVRCOMAXGZ  | 
		      078F BANDWIDTH.COM CLEC, LLC - CO | 
		      656 | 
		        | 
	          2009-02-08  | 
           
       | 
      
        
          | 970-444
           | 6 | 
      	      DNVRCO26XSX  | 
		      145J TERRA NOVA TELECOM INC. | 
		      656 | 
		        | 
	          2024-09-09  | 
           
       | 
      
        
          | 970-444
           | 7 | 
      	      DNVTCOZIDS1  | 
		      026D ONVOY, LLC - CO | 
		      656 | 
		        | 
	          2006-11-04  | 
           
       | 
      
        
          | 970-444
           | 8 | 
      	      DNVTCOZIDS1  | 
		      026D ONVOY, LLC - CO | 
		      656 | 
		        | 
	          2012-02-22  | 
           
       | 
      
        
          | 970-444
           | 9 | 
      	      DNVTCOZIDS1  | 
		      026D ONVOY, LLC - CO | 
		      656 | 
		        | 
	          2012-12-16  | 
           
       | 
      
        
          | 970-661
           | A | 
      	      DNVRCO26DS5  | 
		      278F PEERLESS NETWORK OF COLORADO, LLC - CO | 
		      656 | 
		        | 
	            | 
           
       | 
      
        
          | 970-661
           | 0 | 
      	      DNVRCO26DS5  | 
		      278F PEERLESS NETWORK OF COLORADO, LLC - CO | 
		      656 | 
		        | 
	          2013-06-01  | 
           
       | 
      
        
          | 970-661
           | 1 | 
      	      DNVRCO26DS5  | 
		      278F PEERLESS NETWORK OF COLORADO, LLC - CO | 
		      656 | 
		        | 
	          2013-06-01  | 
           
       | 
      
        
          | 970-661
           | 2 | 
      	      DNVRCOMAXGZ  | 
		      078F BANDWIDTH.COM CLEC, LLC - CO | 
		      656 | 
		        | 
	          2015-11-07  | 
           
       | 
      
        
          | 970-661
           | 3 | 
      	      DNVRCOMAXGZ  | 
		      078F BANDWIDTH.COM CLEC, LLC - CO | 
		      656 | 
		        | 
	          2018-10-08  | 
           
       | 
      
        
          | 970-661
           | 4 | 
      	      DNVTCOZIDS1  | 
		      026D ONVOY, LLC - CO | 
		      656 | 
		        | 
	          2020-09-10  | 
           
       | 
      
        
          | 970-661
           | 5 | 
      	      FTCLCOMAAMD  | 
		      7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO | 
		      656 | 
		        | 
	          2021-08-11  | 
           
       | 
      
        
          | 970-661
           | 6 | 
      	      DNVTCOZIDS1  | 
		      026D ONVOY, LLC - CO | 
		      656 | 
		        | 
	          2018-12-30  | 
           
       | 
      
        
          | 970-661
           | 7 | 
      	      HLRNCOFP1MD  | 
		      508J CENTURYLINK COMMUNICATIONS, LLC | 
		      656 | 
		        | 
	          2014-05-22  | 
           
       | 
      
        
          | 970-661
           | 8 | 
      	      DNVTCOZIDS1  | 
		      026D ONVOY, LLC - CO | 
		      656 | 
		        | 
	          2018-12-30  | 
           
       | 
      
        
          | 970-661
           | 9 | 
      	      DNVRCO26XIX  | 
		      073H TELNYX LLC | 
		      656 | 
		        | 
	          2018-05-02  | 
           
       | 
      
        
          | 970-813
           | A | 
      	      DNVRCOMAXGZ  | 
		      078F BANDWIDTH.COM CLEC, LLC - CO | 
		      656 | 
		        | 
	            | 
           
       | 
      
        
          | 970-813
           | 0 | 
      	      DNVRCOMAXGZ  | 
		      078F BANDWIDTH.COM CLEC, LLC - CO | 
		      656 | 
		        | 
	          2021-11-29  | 
           
       | 
      
        
          | 970-813
           | 1 | 
      	        | 
		      515J IP HORIZON LLC | 
		      656 | 
		        | 
	          2022-09-11  | 
           
       | 
      
        
          | 970-813
           | 9 | 
      	      DNVRCO26XUX  | 
		      516J TON80 COMMUNICATIONS, LLC | 
		      656 | 
		        | 
	          2021-11-30  | 
           
       | 
      
        
          | 970-884
           | A | 
      	      BYFDCOMARS1  | 
		      9636 QWEST CORPORATION | 
		      656 | 
		        | 
	            | 
           
       | 
      
        
          | 970-884
           | 0 | 
      	      BYFDCOMARS1  | 
		      9636 QWEST CORPORATION | 
		      656 | 
		        | 
	            | 
           
       | 
      
        
          | 970-884
           | 1 | 
      	      BYFDCOMARS1  | 
		      9636 QWEST CORPORATION | 
		      656 | 
		        | 
	            | 
           
       | 
      
        
          | 970-884
           | 2 | 
      	      BYFDCOMARS1  | 
		      9636 QWEST CORPORATION | 
		      656 | 
		        | 
	            | 
           
       | 
      
        
          | 970-884
           | 3 | 
      	      DNVTCO56DS8  | 
		      6118 LEVEL 3 COMMUNICATIONS, LLC - CO | 
		      656 | 
		        | 
	          2004-11-11  | 
           
       | 
      
        
          | 970-884
           | 4 | 
      	      BYFDCOMARS1  | 
		      9636 QWEST CORPORATION | 
		      656 | 
		        | 
	            | 
           
       | 
      
        
          | 970-884
           | 5 | 
      	      BYFDCOMARS1  | 
		      9636 QWEST CORPORATION | 
		      656 | 
		        | 
	            | 
           
       | 
      
        
          | 970-884
           | 6 | 
      	      BYFDCOMARS1  | 
		      9636 QWEST CORPORATION | 
		      656 | 
		        | 
	            | 
           
       | 
      
        
          | 970-884
           | 7 | 
      	      BYFDCOMARS1  | 
		      9636 QWEST CORPORATION | 
		      656 | 
		        | 
	            | 
           
       | 
      
        
          | 970-884
           | 8 | 
      	      BYFDCOMARS1  | 
		      9636 QWEST CORPORATION | 
		      656 | 
		        | 
	            | 
           
       | 
      
        
          | 970-884
           | 9 | 
      	      BYFDCOMARS1  | 
		      9636 QWEST CORPORATION | 
		      656 | 
		        | 
	            | 
           
       | 
      
  
  
   Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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