Local Calling Guide
Area code/prefix search
  
        Hayward, CA
    << 1 2 3 4 5 6 7 8 9 10 11 
  
  
    
      | NPA-NXX | BLOCK | Switch | OCN | LATA | LIR | Eff date | Disc date | 
  
  
          
          | 510-935 | 8 | SNTDCAUJCM9 | 6010 NEW CINGULAR WIRELESS PCS, LLC | 722 |  | 2014-06-13 |  | 
        
          | 510-935 | 9 | SNTDCAUJCM9 | 6010 NEW CINGULAR WIRELESS PCS, LLC | 722 |  | 2014-05-11 |  | 
        
          | 510-940 | A | SNJSCAYB0MD | 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 722 |  |  |  | 
        
          | 510-940 | 0 | SNJSCAYB0MD | 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 722 |  |  |  | 
        
          | 510-940 | 1 | SNJSCAYB0MD | 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 722 |  |  |  | 
        
          | 510-940 | 2 | SNJSCAYB0MD | 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 722 |  |  |  | 
        
          | 510-940 | 3 | SNTDCAUJCM9 | 6010 NEW CINGULAR WIRELESS PCS, LLC | 722 |  | 2011-07-25 |  | 
        
          | 510-940 | 4 | SNJSCAYB0MD | 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 722 |  |  |  | 
        
          | 510-940 | 5 | OKLECAZV1MD | 5562 METROPCS, INC. | 722 |  | 2011-07-11 |  | 
        
          | 510-940 | 6 | OKLECAZV1MD | 5562 METROPCS, INC. | 722 |  | 2011-07-25 |  | 
        
          | 510-940 | 7 | SNJSCAYB0MD | 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 722 |  |  |  | 
        
          | 510-940 | 8 | OKLDCA03XOY | 318J COMCAST IP PHONE, LLC | 722 |  | 2011-05-26 |  | 
        
          | 510-940 | 9 | SNFCCAMKDS3 | 649C ONVOY, LLC - CA | 722 |  | 2011-04-28 |  | 
        
          | 510-951 | A | HYWRCAMCDMD | 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 722 |  |  |  | 
        
          | 510-951 | 0 | HYWRCAMCDMD | 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 722 |  | 2021-09-19 |  | 
        
          | 510-951 | 1 | HYWRCAMCDMD | 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 722 |  | 2021-09-19 |  | 
        
          | 510-951 | 2 | SNFCCA21XPZ | 553J WHITESKY COMMUNICATIONS, LLC | 722 |  | 2021-09-20 |  | 
        
          | 510-951 | 3 | SNJUCACL4MD | 939H COMMIO, LLC | 722 |  | 2021-09-20 |  | 
        
          | 510-951 | 4 | SNJUCACL4MD | 939H COMMIO, LLC | 722 |  | 2021-09-20 |  | 
        
          | 510-951 | 5 | SNFCCA21XNZ | 624H ONVOY SPECTRUM, LLC | 722 |  | 2022-05-15 |  | 
        
          | 510-951 | 6 | SNTDCAUJCM9 | 6010 NEW CINGULAR WIRELESS PCS, LLC | 722 |  | 2021-09-26 |  | 
        
          | 510-951 | 7 | SNTDCAUJCM9 | 6010 NEW CINGULAR WIRELESS PCS, LLC | 722 |  | 2021-09-26 |  | 
        
          | 510-951 | 8 | SNJUCACLDS1 | 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 722 |  | 2021-09-24 |  | 
        
          | 510-951 | 9 | SNFCCA21XNZ | 624H ONVOY SPECTRUM, LLC | 722 |  | 2022-05-15 |  | 
        
          | 510-954 | A | SNFCCAMKDS3 | 649C ONVOY, LLC - CA | 722 |  |  |  | 
        
          | 510-954 | 0 | SNFCCAMKDS3 | 649C ONVOY, LLC - CA | 722 |  | 2019-01-24 |  | 
        
          | 510-954 | 1 | HYWRCAMCDMD | 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 722 |  | 2019-02-09 |  | 
        
          | 510-954 | 2 | HYWRCAMCDMD | 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 722 |  | 2019-04-23 |  | 
        
          | 510-954 | 3 | SNFCCAMKDS3 | 649C ONVOY, LLC - CA | 722 |  | 2019-06-09 |  | 
        
          | 510-954 | 4 | OKLECAZV1MD | 6529 T-MOBILE USA, INC. | 722 |  | 2019-04-14 |  | 
        
          | 510-954 | 5 | HYWRCAMCDMD | 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 722 |  | 2019-03-28 |  | 
        
          | 510-954 | 6 | SNFCCAMKDS3 | 649C ONVOY, LLC - CA | 722 |  | 2019-03-29 |  | 
        
          | 510-954 | 7 | SNFCCAMKDS3 | 649C ONVOY, LLC - CA | 722 |  | 2019-03-29 |  | 
        
          | 510-954 | 8 | SNFCCAMKDS3 | 649C ONVOY, LLC - CA | 722 |  | 2019-03-29 |  | 
        
          | 510-954 | 9 | HYWRCAMCDMD | 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 722 |  | 2019-05-28 |  | 
        
          | 510-962 | A | SNFCCASY5MD | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 722 |  |  |  | 
        
          | 510-962 | 0 | OKLECAZV1MD | 6529 T-MOBILE USA, INC. | 722 |  | 2004-07-11 |  | 
        
          | 510-962 | 1 | OKLECAZV1MD | 6529 T-MOBILE USA, INC. | 722 |  | 2004-10-01 |  | 
        
          | 510-962 | 2 | OKLECAZV1MD | 6529 T-MOBILE USA, INC. | 722 |  | 2004-11-07 |  | 
        
          | 510-962 | 3 | SNFCCASY5MD | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 722 |  | 2005-06-29 |  | 
        
          | 510-962 | 4 | SNFCCASY5MD | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 722 |  |  |  | 
        
          | 510-962 | 5 | SNFCCASY5MD | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 722 |  | 2005-06-16 |  | 
        
          | 510-962 | 6 | SNFCCASY5MD | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 722 |  | 2005-03-13 |  | 
        
          | 510-962 | 7 | SNFCCASY5MD | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 722 |  | 2005-06-16 |  | 
        
          | 510-962 | 8 | SNFCCASY5MD | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 722 |  | 2006-08-21 |  | 
        
          | 510-962 | 9 | SNFCCASY5MD | 8826 LEVEL 3 COMMUNICATIONS, LLC - CA | 722 |  | 2006-08-21 |  | 
        
          | 510-963 | A | SNTDCAUJCM9 | 6010 NEW CINGULAR WIRELESS PCS, LLC | 722 |  |  |  | 
        
          | 510-963 | 0 | OKLECAZV1MD | 6529 T-MOBILE USA, INC. | 722 |  | 2016-08-07 |  | 
        
          | 510-963 | 1 | HYWRCAMCDMD | 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 722 |  | 2015-12-29 |  | 
        
          | 510-963 | 2 | HYWRCAMCDMD | 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 722 |  | 2016-08-30 |  | 
        
          | 510-963 | 3 | SNFCCAMKDS3 | 649C ONVOY, LLC - CA | 722 |  | 2015-12-29 |  | 
        
          | 510-963 | 4 | SNFCCAMKDS3 | 649C ONVOY, LLC - CA | 722 |  | 2015-12-29 |  | 
        
          | 510-963 | 5 | OKLDCA03XOY | 318J COMCAST IP PHONE, LLC | 722 |  | 2016-03-04 |  | 
        
          | 510-963 | 6 | OKLECAZV1MD | 6529 T-MOBILE USA, INC. | 722 |  | 2016-07-08 |  | 
        
          | 510-963 | 7 | OKLECAZV1MD | 6529 T-MOBILE USA, INC. | 722 |  | 2017-02-14 |  | 
        
          | 510-963 | 8 | SNTDCAUJCM9 | 6010 NEW CINGULAR WIRELESS PCS, LLC | 722 |  | 2015-12-28 |  | 
        
          | 510-963 | 9 | SNTDCAUJCM9 | 6010 NEW CINGULAR WIRELESS PCS, LLC | 722 |  | 2015-12-28 |  | 
        
          | 510-999 | A | SNFCCAMKDS3 | 649C ONVOY, LLC - CA | 722 |  |  |  | 
        
          | 510-999 | 0 | HYWRCAMCDMD | 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 722 |  | 2010-12-21 |  | 
        
          | 510-999 | 1 | HYWRCAMCDMD | 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 722 |  | 2011-02-17 |  | 
        
          | 510-999 | 2 | HYWRCAMCDMD | 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 722 |  | 2011-06-02 |  | 
        
          | 510-999 | 3 | SNFCCA21XUY | 981E BANDWIDTH.COM CLEC, LLC - CA | 722 |  | 2011-05-07 |  | 
        
          | 510-999 | 4 | SNFCCA21XUY | 981E BANDWIDTH.COM CLEC, LLC - CA | 722 |  | 2011-05-07 |  | 
        
          | 510-999 | 5 | SNFCCA21XUY | 981E BANDWIDTH.COM CLEC, LLC - CA | 722 |  | 2011-05-07 |  | 
        
          | 510-999 | 6 | SNFCCA21XUY | 981E BANDWIDTH.COM CLEC, LLC - CA | 722 |  | 2011-05-07 |  | 
        
          | 510-999 | 7 | SNFCCAMKDS3 | 649C ONVOY, LLC - CA | 722 |  | 2011-02-06 |  | 
        
          | 510-999 | 8 | SNFCCA21XUY | 981E BANDWIDTH.COM CLEC, LLC - CA | 722 |  | 2011-05-07 |  | 
        
          | 510-999 | 9 | SNFCCAMKDS3 | 649C ONVOY, LLC - CA | 722 |  | 2010-12-20 |  | 
  
  
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  Last updated: Thu, 16 Oct 2025 03:04:18 UTC
  Sponsored by: VoIP.ms
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