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.
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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
978-899 9 Littleton MA   128      
978-904 A Newburyport MA CMBRMA01LMD  128      
978-904 4 Newburyport MA   128   2003-11-30   
978-915 A Salem MA CMBRMA01X0X  128      
978-915 1 Salem MA   128      
979-250 A La Grange TX BRYNTX01TMD  570   2004-01-02   
979-250 9 La Grange TX   570   2004-01-02   
979-319 3 Angleton TX   560   2004-02-09   
979-393 A Bryan-College Station TX BRYNTX01GMD  570      
979-393 9 Bryan-College Station TX   570      
980-287 A Charlotte NC   422      
980-287 0 Charlotte NC   422   2016-11-07   
980-287 7 Charlotte NC   422   2016-11-07   
985-332 A Angie LA   490   2019-09-02   
985-332 9 Angie LA   490   2019-09-02   
985-360 A Houma LA NWORLAMADS2  490      
985-360 4 Houma LA   490   2004-01-26   
985-520 3 Hammond LA   490   2004-01-26   
985-635 3 Covington LA   490   2002-11-27   
989-397 A Saginaw MI SGNWMIFA8MD  344      
989-397 9 Saginaw MI   344      
989-492 A Midland MI SGNWMIFAXMD  344      
989-492 9 Midland MI   344      
989-704 A Sebewaing MI SGNWMIFA8MD  344      
989-704 9 Sebewaing MI   344      

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Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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