Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-947 7 Oakland: Main-Piedmont DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-01-14   
510-947 8 Oakland: Main-Piedmont DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-01-14   
510-947 9 Oakland: Main-Piedmont DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2018-01-05   
510-948 A Hercules-Rodeo CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722      
510-948 0 Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-05-19   
510-948 1 Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-05-19   
510-948 2 Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-05-19   
510-948 3 Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-06-13   
510-948 4 Hercules-Rodeo CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2005-06-13   
510-948 5 Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-06-13   
510-948 6 Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-05-19   
510-948 7 Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-05-19   
510-948 8 Hercules-Rodeo CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2006-12-27   
510-948 9 Hercules-Rodeo CA   5562 METROPCS, INC. 722   2013-01-28   
510-949 A Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-949 0 Hercules-Rodeo CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-10-07   
510-949 1 Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2017-06-16   
510-949 2 Hercules-Rodeo CA   5562 METROPCS, INC. 722   2017-07-13   
510-949 3 Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-14   
510-949 4 Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-14   
510-949 5 Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-14   
510-949 6 Hercules-Rodeo CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-09-26   
510-949 7 Hercules-Rodeo CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2018-05-10   
510-949 8 Hercules-Rodeo CA SNJUCACL3MD  073H TELNYX LLC 722   2017-06-12   
510-949 9 Hercules-Rodeo CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2016-12-20   
510-951 A Hayward CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-951 0 Hayward CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2021-09-19   
510-951 1 Hayward CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2021-09-19   
510-951 2 Hayward CA SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-20   
510-951 3 Hayward CA SNJUCACL4MD  939H COMMIO, LLC 722   2021-09-20   
510-951 4 Hayward CA SNJUCACL4MD  939H COMMIO, LLC 722   2021-09-20   
510-951 5 Hayward CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-05-15   
510-951 6 Hayward CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-09-26   
510-951 7 Hayward CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-09-26   
510-951 8 Hayward CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2021-09-24   
510-951 9 Hayward CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-05-15   
510-952 A Fremont-Newark: Greenleaf DA CA OKLECAZVGT0  5562 METROPCS, INC. 722      
510-952 0 Fremont-Newark: Greenleaf DA CA SNFCCA01XGX  516C AT&T CORP. 722   2014-10-14   
510-952 1 Fremont-Newark: Greenleaf DA CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-09-15   
510-952 2 Fremont-Newark: Greenleaf DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2014-08-01   
510-952 3 Fremont-Newark: Greenleaf DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2005-06-13   
510-952 4 Fremont-Newark: Greenleaf DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2005-06-13   
510-952 5 Fremont-Newark: Greenleaf DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2005-06-13   
510-952 6 Fremont-Newark: Greenleaf DA CA OKLECAZVGT0  5562 METROPCS, INC. 722      
510-952 7 Fremont-Newark: Greenleaf DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-22   
510-952 8 Fremont-Newark: Greenleaf DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2006-09-01   
510-952 9 Fremont-Newark: Greenleaf DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2007-03-09   
510-953 A Fremont-Newark: Main DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-953 0 Fremont-Newark: Main DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-09-29   
510-953 1 Fremont-Newark: Main DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-09-29   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.