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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-957 4 Decatur AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2021-08-13   
256-957 5 Decatur AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2024-08-07   
256-957 6 Decatur AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-07-30   
256-957 7 Decatur AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2022-11-04   
256-957 8 Decatur AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2021-05-17   
256-957 9 Decatur AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2021-06-28   
256-960 A Guntersville AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476      
256-960 0 Guntersville AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2010-02-09   
256-960 1 Guntersville AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2010-02-20   
256-960 2 Guntersville AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2010-11-20   
256-960 3 Guntersville AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2016-03-03   
256-960 4 Guntersville AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2011-03-10   
256-960 5 Guntersville AL BRHMALMT88Z  516C AT&T CORP. 476   2010-07-28   
256-960 6 Guntersville AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2010-08-26   
256-960 7 Guntersville AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2010-10-17   
256-960 8 Guntersville AL BRHMALMT41Z  072F BANDWIDTH.COM CLEC, LLC - AL 476   2011-12-27   
256-960 9 Guntersville AL BRHMAL41AMD  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2010-01-14   
256-961 A Madison AL HNVIALDYDS0  7451 CENTURYLINK COMMUNICATIONS LLC - AL 477      
256-961 0 Madison AL HNVIALDYDS0  7451 CENTURYLINK COMMUNICATIONS LLC - AL 477      
256-961 1 Madison AL HNVIALDYDS0  7451 CENTURYLINK COMMUNICATIONS LLC - AL 477      
256-961 2 Madison AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-961 3 Madison AL HNVIALDYDS0  7451 CENTURYLINK COMMUNICATIONS LLC - AL 477      
256-961 4 Madison AL HNVIALDYDS0  7451 CENTURYLINK COMMUNICATIONS LLC - AL 477      
256-961 5 Madison AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-961 6 Madison AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-961 7 Madison AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-961 8 Madison AL HNVIALDYDS0  7451 CENTURYLINK COMMUNICATIONS LLC - AL 477      
256-961 9 Madison AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-962 A Cullman AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477      
256-962 0 Cullman AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477      
256-962 1 Cullman AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477      
256-962 2 Cullman AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477      
256-962 3 Cullman AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477      
256-962 4 Cullman AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477      
256-962 5 Cullman AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2016-07-16   
256-962 6 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2014-09-21   
256-962 7 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2019-11-08   
256-962 8 Cullman AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2006-10-29   
256-962 9 Cullman AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477      
256-963 A Huntsville AL HNVIALRWDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-963 0 Huntsville AL HNVIALUNXHX  8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 477   2017-11-27   
256-963 1 Huntsville AL HNVIALRWDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-963 2 Huntsville AL HNVIALRWDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-963 3 Huntsville AL HNVIALRWDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-963 4 Huntsville AL HNVIALRWDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-963 5 Huntsville AL HNVIALRWDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-963 6 Huntsville AL HNVIALRWDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-963 7 Huntsville AL HNVIALRWDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-963 8 Huntsville AL HNVIALRWDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-963 9 Huntsville AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477   2016-12-16   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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