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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-578 7 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-07-18   
256-578 8 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-07-18   
256-578 9 Red Bay AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-07-18   
256-579 A Fruithurst AL TLLPGAES57F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
256-579 0 Fruithurst AL ATLNGAQSDS8  604E ONVOY, LLC - AL 438   2016-03-21   
256-579 1 Fruithurst AL ATLNGAQSDS8  604E ONVOY, LLC - AL 438   2016-03-21   
256-579 2 Fruithurst AL TLLPGAES57F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
256-579 3 Fruithurst AL ATLNGATLFMD  516C AT&T CORP. 438   2011-02-03   
256-579 4 Fruithurst AL   476F CORETEL ALABAMA, INC. - AL 438   2019-05-20   
256-579 6 Fruithurst AL ATLNGAQSDS8  604E ONVOY, LLC - AL 438   2018-07-05   
256-579 7 Fruithurst AL   476F CORETEL ALABAMA, INC. - AL 438   2019-05-20   
256-579 8 Fruithurst AL ATLNGABU05Z  624H ONVOY SPECTRUM, LLC 438   2020-11-02   
256-579 9 Fruithurst AL   476F CORETEL ALABAMA, INC. - AL 438   2019-05-20   
256-580 A Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-580 0 Decatur AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2017-07-12   
256-580 1 Decatur AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2019-11-08   
256-580 2 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-580 3 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-580 4 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-580 5 Decatur AL HNVIAL967MD  516C AT&T CORP. 477   2010-07-28   
256-580 6 Decatur AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2011-06-18   
256-580 7 Decatur AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2011-06-18   
256-580 8 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-580 9 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-581 A Ohatchee AL BRHMALHWX8X  8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 476      
256-581 0 Ohatchee AL BRHMALMT41Z  072F BANDWIDTH.COM CLEC, LLC - AL 476   2008-11-30   
256-581 1 Ohatchee AL BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476   2017-09-09   
256-581 2 Ohatchee AL   145J TERRA NOVA TELECOM INC. 476   2022-04-15   
256-581 3 Ohatchee AL BRHMALMT88Z  516C AT&T CORP. 476   2010-10-31   
256-581 4 Ohatchee AL BRHMALMT41Z  072F BANDWIDTH.COM CLEC, LLC - AL 476   2015-02-09   
256-581 5 Ohatchee AL BRHMALMT41Z  072F BANDWIDTH.COM CLEC, LLC - AL 476   2015-10-31   
256-581 6 Ohatchee AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2021-02-27   
256-581 7 Ohatchee AL BRHMALMT84Z  508J CENTURYLINK COMMUNICATIONS, LLC 476   2014-03-25   
256-581 8 Ohatchee AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2017-07-07   
256-581 9 Ohatchee AL BRHMALHWX8X  8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 476      
256-582 A Guntersville AL GTVLALNMRS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 476      
256-583 A Huntsville AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477      
256-583 0 Huntsville AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2017-06-08   
256-583 1 Huntsville AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2017-06-08   
256-583 2 Huntsville AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2017-07-05   
256-583 3 Huntsville AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2017-07-05   
256-583 4 Huntsville AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2017-08-02   
256-583 5 Huntsville AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2017-08-02   
256-583 6 Huntsville AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2017-09-06   
256-583 7 Huntsville AL HNVIALUNXSY  5562 METROPCS, INC. 477   2018-05-02   
256-583 8 Huntsville AL HNVIALUNXSY  5562 METROPCS, INC. 477   2017-07-17   
256-583 9 Huntsville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2019-03-21   
256-584 A Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-584 0 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-584 1 Decatur AL HNVIALUNXTZ  829J PAETEC ITEL, LLC 477   2014-02-14   
256-584 2 Decatur AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2013-06-03   
256-584 3 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-584 4 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-584 5 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-584 6 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-584 7 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-584 8 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-584 9 Decatur AL DCTRALMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-585 A Huntsville AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      
256-585 0 Huntsville AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      
256-585 1 Huntsville AL HNVIALUNX7Z  318J COMCAST IP PHONE, LLC 477   2008-07-25   
256-585 2 Huntsville AL HNVIALUNX7Z  318J COMCAST IP PHONE, LLC 477   2008-07-25   
256-585 3 Huntsville AL HNVIALUNX7Z  318J COMCAST IP PHONE, LLC 477   2008-07-25   
256-585 4 Huntsville AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2006-07-15   
256-585 5 Huntsville AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2010-05-07   
256-585 6 Huntsville AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477   2008-02-13   
256-585 7 Huntsville AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2010-04-17   
256-585 8 Huntsville AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2010-04-17   
256-585 9 Huntsville AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      
256-586 A Arab AL ARABALXADS1  0283 BRINDLEE MOUNTAIN TELEPHONE LLC 476      
256-587 A Skyline AL SKLNALXARS0  9788 BRIGHTSPEED OF ALABAMA, LLC - SOUTHERN 477      
256-587 0 Skyline AL SKLNALXARS0  9788 BRIGHTSPEED OF ALABAMA, LLC - SOUTHERN 477      
256-587 1 Skyline AL HNVIALUNXZY  073H TELNYX LLC 477   2020-05-03   
256-587 2 Skyline AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2019-10-12   
256-587 3 Skyline AL SKLNALXARS0  9788 BRIGHTSPEED OF ALABAMA, LLC - SOUTHERN 477      
256-587 4 Skyline AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2020-06-21   
256-587 5 Skyline AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2013-10-05   
256-587 6 Skyline AL SKLNALXARS0  9788 BRIGHTSPEED OF ALABAMA, LLC - SOUTHERN 477      
256-587 7 Skyline AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2018-09-23   
256-587 8 Skyline AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2020-06-21   
256-587 9 Skyline AL SKLNALXARS0  9788 BRIGHTSPEED OF ALABAMA, LLC - SOUTHERN 477      
256-588 A Killen AL HNVIALUNXTZ  829J PAETEC ITEL, LLC 477      
256-588 0 Killen AL HNVIALUNXTZ  829J PAETEC ITEL, LLC 477      
256-588 1 Killen AL HNVIALUNXTZ  829J PAETEC ITEL, LLC 477      
256-588 2 Killen AL HNVIALUNXTZ  829J PAETEC ITEL, LLC 477      
256-588 3 Killen AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-03-04   
256-588 4 Killen AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-03-04   
256-588 5 Killen AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2016-07-16   
256-588 6 Killen AL HNVIALUNXTZ  829J PAETEC ITEL, LLC 477      
256-588 7 Killen AL HNVIALUNXJY  508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-588 8 Killen AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-10-27   
256-588 9 Killen AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2017-02-11   
256-589 A Talladega AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476      
256-589 0 Talladega AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476      
256-589 1 Talladega AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476      
256-589 2 Talladega AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476      
256-589 3 Talladega AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2015-03-12   
256-589 4 Talladega AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2021-03-04   
256-589 5 Talladega AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476      
256-589 6 Talladega AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476      

<< 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 >>

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.