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: 251 [Rate centres in NPA 251] [Dial plan for NPA 251]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-609 0 Foley AL   6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 480      
251-609 1 Foley AL   6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 480      
251-609 2 Foley AL   6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 480      
251-609 3 Foley AL   6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 480      
251-609 4 Foley AL   6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 480   2004-07-29   
251-609 5 Foley AL   6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 480      
251-609 6 Foley AL   6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 480      
251-609 7 Foley AL   6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 480      
251-609 8 Foley AL   6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 480   2005-09-12   
251-609 9 Foley AL   6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 480      
251-610 A Mobile AL MOBLALIHG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480      
251-615 A Fairhope AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-615 0 Fairhope AL   604E ONVOY, LLC - AL 480   2021-07-25   
251-615 1 Fairhope AL   604E ONVOY, LLC - AL 480   2021-07-25   
251-615 2 Fairhope AL   604E ONVOY, LLC - AL 480   2021-07-25   
251-615 3 Fairhope AL   604E ONVOY, LLC - AL 480   2021-07-25   
251-615 4 Fairhope AL   604E ONVOY, LLC - AL 480   2021-07-29   
251-615 5 Fairhope AL   604E ONVOY, LLC - AL 480   2021-07-29   
251-615 6 Fairhope AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2025-06-27   
251-615 7 Fairhope AL   624H ONVOY SPECTRUM, LLC 480   2021-11-30   
251-615 8 Fairhope AL   624H ONVOY SPECTRUM, LLC 480   2021-09-29   
251-615 9 Fairhope AL   624H ONVOY SPECTRUM, LLC 480   2021-11-30   
251-616 A Clear Springs AL PNSCFLWATMD  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 44813      
251-616 0 Clear Springs AL   072F BANDWIDTH.COM CLEC, LLC - AL 44813   2009-02-10   
251-616 1 Clear Springs AL   072F BANDWIDTH.COM CLEC, LLC - AL 44813   2011-08-15   
251-616 2 Clear Springs AL   072F BANDWIDTH.COM CLEC, LLC - AL 44813   2012-12-28   
251-616 3 Clear Springs AL   072F BANDWIDTH.COM CLEC, LLC - AL 44813   2014-03-21   
251-616 4 Clear Springs AL   5255 LEVEL 3 COMMUNICATIONS, LLC - AL 44813   2005-04-29   
251-616 5 Clear Springs AL   516C AT&T CORP. 44813   2009-09-21   
251-616 6 Clear Springs AL   072F BANDWIDTH.COM CLEC, LLC - AL 44813   2011-05-13   
251-616 7 Clear Springs AL   5255 LEVEL 3 COMMUNICATIONS, LLC - AL 44813   2014-04-27   
251-616 8 Clear Springs AL   072F BANDWIDTH.COM CLEC, LLC - AL 44813   2015-03-09   
251-616 9 Clear Springs AL   604E ONVOY, LLC - AL 44813   2016-08-26   
251-617 A Mobile AL MOBLALMTXZX  6630 USA MOBILITY WIRELESS, INC. 480   2024-02-21   
251-620 A Mobile AL MOBLAL41DS0  947G TELEPAK NETWORKS, INC. - AL 480   2025-01-24   
251-620 0 Mobile AL   947G TELEPAK NETWORKS, INC. - AL 480   2018-03-17   
251-620 1 Mobile AL   947G TELEPAK NETWORKS, INC. - AL 480   2018-03-17   
251-620 2 Mobile AL   947G TELEPAK NETWORKS, INC. - AL 480   2018-03-17   
251-620 3 Mobile AL   5255 LEVEL 3 COMMUNICATIONS, LLC - AL 480   2020-11-03   
251-620 4 Mobile AL   604E ONVOY, LLC - AL 480   2020-12-08   
251-620 5 Mobile AL   604E ONVOY, LLC - AL 480   2020-12-08   
251-620 6 Mobile AL   6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480   2018-06-18   
251-620 7 Mobile AL   6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480   2018-06-18   
251-620 8 Mobile AL   6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480   2018-07-30   
251-620 9 Mobile AL   6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480   2018-08-27   
251-621 A Mobile AL MOBLALSFDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-622 A Mobile AL MOBLALAZ35Z  829J PAETEC ITEL, LLC 480      
251-622 0 Mobile AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2007-04-16   
251-622 1 Mobile AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2007-04-16   
251-622 2 Mobile AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2007-04-16   

<< 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 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.