Local Calling Guide
Area code/prefix search
  
        Butler, OH
      
  
    
      | NPA-NXX | BLOCK | Switch | OCN | LATA | LIR | Eff date | Disc date | 
  
  
          
          | 419-688 | A | MNFDOHXAX1X | 6529 T-MOBILE USA, INC. | 923 |  |  |  | 
        
          | 419-688 | 0 | MNFDOHXAX1X | 6529 T-MOBILE USA, INC. | 923 |  | 2006-06-24 |  | 
        
          | 419-688 | 1 | MNFDOHXAX1X | 6529 T-MOBILE USA, INC. | 923 |  |  |  | 
        
          | 419-688 | 2 | MNFDOHXAX1X | 6529 T-MOBILE USA, INC. | 923 |  | 2022-10-03 |  | 
        
          | 419-688 | 3 | MNFDOHXAX1X | 6529 T-MOBILE USA, INC. | 923 |  | 2008-02-03 |  | 
        
          | 419-688 | 4 | MNFDOHXAXHY | 793K TWC IP ENABLED SERVICES, LLC | 923 |  | 2007-07-18 |  | 
        
          | 419-688 | 5 | MNFDOHXAXAX | 001F BANDWIDTH.COM CLEC, LLC - OH | 923 |  | 2012-01-13 |  | 
        
          | 419-688 | 6 | LIMAOHIB9MD | 508J CENTURYLINK COMMUNICATIONS, LLC | 923 |  | 2013-10-14 |  | 
        
          | 419-688 | 7 | MNFDOHXAXAX | 001F BANDWIDTH.COM CLEC, LLC - OH | 923 |  | 2014-05-10 |  | 
        
          | 419-688 | 8 | LIMAOHXAXPX | 624H ONVOY SPECTRUM, LLC | 923 |  | 2021-12-14 |  | 
        
          | 419-688 | 9 | MNFDOHXAX1X | 6529 T-MOBILE USA, INC. | 923 |  |  |  | 
        
          | 419-850 | A | MNFDOHXAXDX | 464C ONVOY, LLC - OH | 923 |  |  |  | 
        
          | 419-850 | 0 |  | 515J IP HORIZON LLC | 923 |  | 2024-03-03 |  | 
        
          | 419-850 | 2 | MNFDOHXAXDX | 464C ONVOY, LLC - OH | 923 |  | 2023-09-25 |  | 
        
          | 419-883 | A | BTLROHXARP0 | 0661 BRIGHTSPEED OF NORTHWEST OHIO, INC. | 923 |  |  |  | 
        
          | 567-430 | A | MNFDOHXAXDX | 464C ONVOY, LLC - OH | 923 |  |  |  | 
        
          | 567-430 | 0 | MNFDOHXAX0Y | 073H TELNYX LLC | 923 |  | 2021-01-08 |  | 
        
          | 567-430 | 1 | MNFDOHXAXDX | 464C ONVOY, LLC - OH | 923 |  | 2016-04-29 |  | 
        
          | 567-430 | 2 | MNFDOHXAXDX | 464C ONVOY, LLC - OH | 923 |  | 2016-04-29 |  | 
        
          | 567-430 | 3 | MNFDOHXAXDX | 464C ONVOY, LLC - OH | 923 |  | 2016-04-29 |  | 
        
          | 567-430 | 4 | MNFDOHXAXAX | 001F BANDWIDTH.COM CLEC, LLC - OH | 923 |  | 2021-01-22 |  | 
        
          | 567-430 | 5 | MNFDOHXAXDX | 464C ONVOY, LLC - OH | 923 |  | 2021-02-01 |  | 
        
          | 567-430 | 6 | MNFDOHXAXDX | 464C ONVOY, LLC - OH | 923 |  | 2021-02-01 |  | 
        
          | 567-430 | 7 | MNFDOHMM0MD | 4863 LEVEL 3 COMMUNICATIONS, LLC - OH | 923 |  | 2018-09-29 |  | 
        
          | 567-430 | 8 | MNFDOHXAX1X | 6529 T-MOBILE USA, INC. | 923 |  | 2022-10-03 |  | 
        
          | 567-430 | 9 | WSTROHXAFMD | 024E ARMSTRONG TELECOMMUNICATIONS, INC. - OH | 923 |  | 2017-12-15 |  | 
  
  
   Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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