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: 256 [Rate centres in NPA 256] [Dial plan for NPA 256]

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-915 3 Cullman AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-11-05   
256-915 4 Cullman AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-11-05   
256-915 5 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-11-06   
256-915 6 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-11-06   
256-915 7 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-11-06   
256-915 8 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-11-06   
256-915 9 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-11-06   
256-916 A Decatur AL HNVIALUNX6X  604E ONVOY, LLC - AL 477      
256-916 0 Decatur AL HNVIALUNX2Z  624H ONVOY SPECTRUM, LLC 477   2021-11-06   
256-916 1 Decatur AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-12-11   
256-916 2 Decatur AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-11-05   
256-916 3 Decatur AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-11-05   
256-916 4 Decatur AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-12-11   
256-916 5 Decatur AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-12-11   
256-916 6 Decatur AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-12-11   
256-916 7 Decatur AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-12-11   
256-916 8 Decatur AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2021-12-06   
256-916 9 Decatur AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-12-11   
256-917 A Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      
256-917 0 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-03-27   
256-917 1 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-03-27   
256-917 2 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-03-27   
256-917 3 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-03-27   
256-917 4 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-03-27   
256-917 5 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-03-27   
256-917 6 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-03-27   
256-917 7 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2022-08-05   
256-917 8 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-03-27   
256-917 9 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-03-27   
256-918 A Massey AL HNVIALUNX6X  604E ONVOY, LLC - AL 477      
256-918 0 Massey AL HNVIALUNXZY  073H TELNYX LLC 477   2022-12-08   
256-918 1 Massey AL DCTRALGU0MD  349D CHARTER FIBERLINK - ALABAMA, LLC - AL 477   2022-12-20   
256-918 2 Massey AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-11-05   
256-918 3 Massey AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2022-03-24   
256-918 8 Massey AL HNVIALUNX2Z  624H ONVOY SPECTRUM, LLC 477   2023-06-24   
256-918 9 Massey AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2022-12-10   
256-919 A Arab AL GDSDAL04CM1  7475 POWERTEL BIRMINGHAM LICENSES, INC. 476      
256-919 0 Arab AL BRHMALHWX8X  8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 476   2020-10-12   
256-919 1 Arab AL GDSDAL04CM1  7475 POWERTEL BIRMINGHAM LICENSES, INC. 476   2013-04-08   
256-919 2 Arab AL GDSDAL04CM1  7475 POWERTEL BIRMINGHAM LICENSES, INC. 476   2013-02-23   
256-919 3 Arab AL GDSDAL04CM1  7475 POWERTEL BIRMINGHAM LICENSES, INC. 476   2011-08-01   
256-919 4 Arab AL GDSDAL04CM1  7475 POWERTEL BIRMINGHAM LICENSES, INC. 476   2011-08-01   
256-919 5 Arab AL GDSDAL04CM1  7475 POWERTEL BIRMINGHAM LICENSES, INC. 476   2011-06-12   
256-919 6 Arab AL GDSDAL04CM1  7475 POWERTEL BIRMINGHAM LICENSES, INC. 476   2013-03-22   
256-919 7 Arab AL GDSDAL04CM1  7475 POWERTEL BIRMINGHAM LICENSES, INC. 476   2011-02-05   
256-919 8 Arab AL GDSDAL04CM1  7475 POWERTEL BIRMINGHAM LICENSES, INC. 476   2011-02-05   
256-919 9 Arab AL GDSDAL04CM1  7475 POWERTEL BIRMINGHAM LICENSES, INC. 476   2010-03-18   
256-920 A Huntsville AL HNVIALMTQMD  6630 USA MOBILITY WIRELESS, INC. 477   2024-01-16   
256-921 A Talladega AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
256-921 0 Talladega AL BRHMALHRDS1  476H AIRUS, INC. - AL 476   2021-11-06   

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.