Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7421 AT&T - LOCAL

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
412-992 5 Pittsburgh Zone 1 PA PITBPADGDS5  234      
413-213 A Belchertown MA SPFDMABRXBX  126      
413-213 9 Belchertown MA SPFDMABRXBX  126   2003-12-07   
413-307 A Adams MA SPFDMAWOPMD  126      
413-307 9 Adams MA SPFDMAWOPMD  126   2012-08-20   
415-223 6 San Rafael CA SNFCCA01DS5  722   2002-10-27   
415-324 3 Sausalito CA SNFCCA01DS5  722   2003-02-04   
415-486 A San Francisco: Central DA CA SNFCCA01DS5  722      
415-692 A San Francisco: Central DA CA SNFCCA01DS5  722      
415-692 2 San Francisco: Central DA CA SNFCCA01DS5  722      
415-692 9 San Francisco: Central DA CA SNFCCA01DS5  722      
417-208 A Joplin MO SPFDMOTLXRY  522      
417-208 1 Joplin MO SPFDMOTLXRY  522      
417-480 A Ash Grove MO SPFDMOTLXRY  522      
417-480 9 Ash Grove MO SPFDMOTLXRY  522   2020-05-08   
417-576 A Springfield MO SPFDMOTLXRY  522      
417-576 9 Springfield MO SPFDMOTLXRY  522      
417-760 A Billings MO   522   2025-10-06   
417-760 9 Billings MO   522   2025-10-06   
423-298 A Chattanooga TN CHTGTNMATMD  472      
423-298 9 Chattanooga TN CHTGTNMATMD  472      
423-594 A Dayton TN CHTGTNMAX9X  472      
423-594 9 Dayton TN CHTGTNMAX9X  472   2009-11-19   
423-640 A Sneedville TN KNVLTNMAYGX  474      
423-640 9 Sneedville TN KNVLTNMAYGX  474   2020-06-08   
423-781 A Etowah TN KNVLTNMA23Z  474      
423-781 9 Etowah TN KNVLTNMA23Z  474   2004-05-01   
432-329 A Alpine TX   542   2025-10-17   
432-329 9 Alpine TX   542   2025-10-17   
434-402 A Concord VA   250   2025-09-22   
434-402 9 Concord VA   250   2025-09-22   
440-768 A Willoughby OH CLEVOH6214Z  320      
440-768 9 Willoughby OH CLEVOH6214Z  320   2022-02-25   
443-760 A Aberdeen MD BLTMMDCHXAX  236      
443-760 9 Aberdeen MD BLTMMDCHXAX  236      
443-957 A Baltimore MD BLTMMDCHXAX  238      
443-957 2 Baltimore MD BLTMMDCHXAX  238      
443-957 6 Baltimore MD BLTMMDCHXAX  238      
447-320 A Oakford IL   374   2025-09-24   
447-320 9 Oakford IL   374   2025-09-24   
447-321 A Fairmount IL   370   2025-09-24   
447-321 9 Fairmount IL   370   2025-09-24   
447-323 A Milton IL   376   2025-09-25   
447-323 9 Milton IL   376   2025-09-25   
463-284 A Charlottesville IN IPLSIN01XZZ  336      
463-284 9 Charlottesville IN IPLSIN01XZZ  336   2023-04-18   
469-458 4 Dallas TX FTWOTXEDDS4  552   2013-06-03   
469-458 5 Dallas TX FTWOTXEDDS4  552   2013-06-03   
469-647 7 Irving TX DLLSTXTLDS3  552   2011-08-01   
470-242 2 Atlanta Northeast GA ATLNGATLDS6  438   2013-08-19   
472-223 A Rockingham NC LRBGNCATBMD  428      
472-223 9 Rockingham NC LRBGNCATBMD  428   2023-08-31   
475-394 A Ansonia-Derby CT   920   2025-09-25   
475-394 9 Ansonia-Derby CT   920   2025-09-25   
478-812 A Macon GA MACNGAGADS1  446      
478-812 9 Macon GA MACNGAGADS1  446      
479-387 A Fayetteville AR FYVLARAT8MD  526      
479-387 3 Fayetteville AR FYVLARAT8MD  526      
479-387 9 Fayetteville AR FYVLARAT8MD  526      
479-434 A Fort Smith AR FYVLARATX1X  526      
479-434 9 Fort Smith AR FYVLARATX1X  526      
479-657 A Bentonville AR FYVLARAT8MD  526      
479-657 4 Bentonville AR FYVLARAT8MD  526      
479-657 7 Bentonville AR FYVLARAT8MD  526      
479-657 9 Bentonville AR FYVLARAT8MD  526      
479-717 4 Springdale AR FYVLARAT8MD  526   2004-05-15   
479-899 A Rogers AR FYVLARIA8MD  526      
479-899 0 Rogers AR FYVLARIA8MD  526      
479-899 9 Rogers AR FYVLARIA8MD  526      
480-245 A Phoenix AZ PHNXAZMAX3X  666      
480-245 2 Phoenix AZ PHNXAZMAX3X  666   2009-04-17   
480-293 A Phoenix AZ PHNXAZMADS6  666      
480-293 0 Phoenix AZ PHNXAZMADS6  666      
480-293 3 Phoenix AZ PHNXAZMADS6  666      
480-293 5 Phoenix AZ PHNXAZMADS6  666      
480-293 9 Phoenix AZ PHNXAZMADS6  666      
480-420 A Phoenix AZ PHNXAZMADS6  666      
480-420 5 Phoenix AZ PHNXAZMADS6  666   2010-09-30   
480-629 A Phoenix AZ PHNXAZMAX3X  666      
480-629 3 Phoenix AZ PHNXAZMADS6  666      
480-629 6 Phoenix AZ PHNXAZMAX3X  666      
480-629 7 Phoenix AZ PHNXAZMAX3X  666      
484-321 4 Philadelphia Suburban Zone 28 PA PHLAPASLDS5  228   2011-11-13   
484-807 A Philadelphia Suburban Zone 25 PA PHLAPASLTMD  228      
484-807 9 Philadelphia Suburban Zone 25 PA PHLAPASLTMD  228   2021-07-06   
501-213 2 Bryant-Collegeville AR LTRKARFRDS1  528   2006-04-21   
501-215 2 Morrilton AR LTRKARFRDS1  528   2007-06-18   
501-235 A Little Rock AR LTRKARFRDS1  528      
501-235 1 Little Rock AR LTRKARFRDS1  528      
501-235 2 Little Rock AR LTRKARFRDS1  528      
501-235 4 Little Rock AR LTRKARFRDS1  528      
501-235 5 Little Rock AR LTRKARFRDS1  528      
501-235 9 Little Rock AR LTRKARFRDS1  528      
501-262 7 Hot Springs AR LTRKARFRDS1  528   2005-08-26   
501-339 2 Conway AR LTRKARFRDS1  528   2003-09-23   
501-435 2 Little Rock AR LTRKARFRDS1  528   2017-05-15   
502-322 A Louisville KY LSVLKYCSDS3  462      
502-322 8 Louisville KY LSVLKYCSDS3  462      
502-322 9 Louisville KY LSVLKYCSDS3  462      
502-687 A Bagdad KY LSVLKYAP75Z  462      

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Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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