Local Calling Guide
Area code/prefix search
  
        Big Sur, CA
      
  
    
      | NPA-NXX | BLOCK | Switch | OCN | LATA | LIR | Eff date | Disc date | 
  
  
          
          | 831-244 | A | MTRYCA012MD | 981E BANDWIDTH.COM CLEC, LLC - CA | 736 |  |  |  | 
        
          | 831-244 | 0 | MTRYCA012MD | 981E BANDWIDTH.COM CLEC, LLC - CA | 736 |  | 2010-08-14 |  | 
        
          | 831-244 | 1 |  | 515J IP HORIZON LLC | 736 |  |  |  | 
        
          | 831-244 | 2 |  | 515J IP HORIZON LLC | 736 |  |  |  | 
        
          | 831-244 | 3 | MTRYCA012MD | 981E BANDWIDTH.COM CLEC, LLC - CA | 736 |  | 2014-07-07 |  | 
        
          | 831-244 | 5 | MTRYCAPM1MD | 939H COMMIO, LLC | 736 |  | 2022-07-22 |  | 
        
          | 831-244 | 6 | MTRYCA012MD | 981E BANDWIDTH.COM CLEC, LLC - CA | 736 |  | 2014-08-02 |  | 
        
          | 831-244 | 7 | SLNSCA01X7Y | 508J CENTURYLINK COMMUNICATIONS, LLC | 736 |  | 2015-11-09 |  | 
        
          | 831-244 | 8 | MTRYCA012MD | 981E BANDWIDTH.COM CLEC, LLC - CA | 736 |  | 2015-10-15 |  | 
        
          | 831-244 | 9 | SLNSCA01X9Y | 649C ONVOY, LLC - CA | 736 |  | 2017-04-26 |  | 
        
          | 831-249 | A | SLNSCA01X5Y | 516C AT&T CORP. | 736 |  |  |  | 
        
          | 831-249 | 0 | MTRYCAPMDS0 | 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 736 |  | 2020-01-15 |  | 
        
          | 831-249 | 1 | SLNSCA01X9Y | 649C ONVOY, LLC - CA | 736 |  | 2021-07-30 |  | 
        
          | 831-249 | 2 | MTRYCAPMDS0 | 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 736 |  | 2020-12-10 |  | 
        
          | 831-249 | 7 | SLNSCA01X5Y | 516C AT&T CORP. | 736 |  | 2010-01-28 |  | 
        
          | 831-249 | 8 | SLNSCA01XCY | 624H ONVOY SPECTRUM, LLC | 736 |  | 2024-01-05 |  | 
        
          | 831-249 | 9 | MTRYCAPMDS0 | 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 736 |  | 2018-10-21 |  | 
        
          | 831-267 | A | SLNSCA01XQY | 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 736 |  |  |  | 
        
          | 831-267 | 6 | MTRYCAPMDS0 | 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 736 |  | 2016-03-05 |  | 
        
          | 831-267 | 7 | SLNSCA01XQY | 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 736 |  | 2007-02-02 |  | 
        
          | 831-300 | A | SLNSCA01XXX | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 736 |  |  |  | 
        
          | 831-300 | 0 | SLNSCA01XXX | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 736 |  |  |  | 
        
          | 831-300 | 1 | SLNSCA01XXX | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 736 |  |  |  | 
        
          | 831-300 | 2 | MTRYCAPM0MD | 073H TELNYX LLC | 736 |  | 2018-07-03 |  | 
        
          | 831-300 | 4 | SLNSCA01XXX | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 736 |  |  |  | 
        
          | 831-667 | A | BGSRCA11RS0 | 9740 PACIFIC BELL | 736 |  |  |  | 
        
          | 831-667 | 0 | BGSRCA11RS0 | 9740 PACIFIC BELL | 736 |  |  |  | 
        
          | 831-667 | 1 | BGSRCA11RS0 | 9740 PACIFIC BELL | 736 |  |  |  | 
        
          | 831-667 | 2 | BGSRCA11RS0 | 9740 PACIFIC BELL | 736 |  |  |  | 
        
          | 831-667 | 3 | BGSRCA11RS0 | 9740 PACIFIC BELL | 736 |  |  |  | 
        
          | 831-667 | 4 |  | 145J TERRA NOVA TELECOM INC. | 736 |  | 2022-04-12 |  | 
        
          | 831-667 | 5 | SLNSCA01XXX | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 736 |  | 2005-07-26 |  | 
        
          | 831-667 | 6 | MTRYCAPMDS0 | 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 736 |  | 2021-02-27 |  | 
        
          | 831-667 | 7 | SLNSCA01XGX | 9262 UTILITY TELECOM GROUP, LLC - CA | 736 |  | 2006-03-24 |  | 
        
          | 831-667 | 9 |  | 145J TERRA NOVA TELECOM INC. | 736 |  | 2022-11-03 |  | 
        
          | 831-844 | A | MTRYCAPM7MD | 516J TON80 COMMUNICATIONS, LLC | 736 |  |  |  | 
        
          | 831-844 | 0 | MTRYCA012MD | 981E BANDWIDTH.COM CLEC, LLC - CA | 736 |  |  |  | 
        
          | 831-844 | 3 | SLNSCA01X9Y | 649C ONVOY, LLC - CA | 736 |  | 2019-03-21 |  | 
        
          | 831-844 | 4 | SLNSCA01X9Y | 649C ONVOY, LLC - CA | 736 |  | 2019-03-21 |  | 
        
          | 831-844 | 6 | MTRYCAPM7MD | 516J TON80 COMMUNICATIONS, LLC | 736 |  | 2021-06-27 |  | 
  
  
   Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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