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.

OCN: 7421 AT&T - LOCAL

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
817-807 4 Arlington TX FTWOTXEDDS4  552      
817-807 9 Arlington TX FTWOTXEDDS4  552      
818-263 A Van Nuys CA SHOKCA02DS2  730      
818-263 8 Van Nuys CA SHOKCA02DS2  730      
818-288 A Burbank: Burbank DA CA LSANCA022MD  730      
818-288 9 Burbank: Burbank DA CA LSANCA022MD  730   2002-08-18   
818-336 3 San Fernando: San Fernando DA CA SHOKCA02DS2  730   2003-02-09   
818-477 A Northridge CA SHOKCA02DS2  730      
818-477 9 Northridge CA SHOKCA02DS2  730      
818-484 A Glendale CA SHOKCA02DS3  730      
818-484 9 Glendale CA SHOKCA02DS3  730      
818-661 5 Agoura CA SHOKCA02DS2  730   2001-10-10   
818-931 A Glendale CA SHOKCA02DS3  730      
818-931 0 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 1 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 2 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 3 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 4 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 5 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 6 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 7 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 8 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 9 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-936 A Canoga Park CA SHOKCA02DS2  730      
818-936 1 Canoga Park CA SHOKCA02DS2  730      
818-936 2 Canoga Park CA SHOKCA02DS2  730      
818-936 3 Canoga Park CA SHOKCA02DS2  730      
818-936 7 Canoga Park CA SHOKCA02DS2  730      
826-243 A Bluemont VA LSBGVA10YMD  246   2024-05-27   
826-243 9 Bluemont VA LSBGVA10YMD  246   2024-05-27   
826-257 A Raphine VA   244   2025-04-07   
826-257 9 Raphine VA   244   2025-04-07   
826-258 A Weyers Cave VA   927   2025-04-14   
826-258 9 Weyers Cave VA   927   2025-04-14   
828-492 A Canton NC AHVLNCATX1X  420      
828-492 9 Canton NC AHVLNCATX1X  420      
828-878 A Claremont NC CHRLNCCAYUX  422      
828-878 9 Claremont NC CHRLNCCAYUX  422   2022-08-29   
830-316 A Marion TX SNANTXCA93Z  566      
830-316 9 Marion TX SNANTXCA93Z  566   2021-06-17   
831-223 5 Soledad CA SLNSCA01X1X  736   2006-11-17   
831-241 A Monterey CA SLNSCA01X1X  736      
831-241 9 Monterey CA SLNSCA01X1X  736      
831-675 4 Gonzales CA SLNSCA01X1X  736   2013-05-01   
831-676 A Salinas CA SLNSCA01X1X  736      
831-676 9 Salinas CA SLNSCA01X1X  736      
832-261 A Seabrook TX HSTNTX01DS2  560      
832-261 2 Seabrook TX HSTNTX01DS2  560      
838-244 A Oak Hill NY ALBYNYSSXLZ  134      
838-244 9 Oak Hill NY ALBYNYSSXLZ  134   2021-07-06   
843-633 A Folly Beach SC CHTOSCBTAMD  436      
843-633 9 Folly Beach SC CHTOSCBTAMD  436   2003-05-23   
843-944 A Darlington SC FLRNSCATUMD  432      
843-944 9 Darlington SC FLRNSCATUMD  432   2003-12-11   
845-233 A Hyde Park NY PGHKNYSHAMD  133      
845-233 9 Hyde Park NY PGHKNYSHAMD  133   2004-05-01   
845-660 A Amenia NY PGHKNYSHAMD  133      
845-660 9 Amenia NY PGHKNYSHAMD  133   2012-09-17   
845-704 6 Carmel NY WHPLNYWPX3X  132   2005-01-06   
845-864 A Jeffersonville NY PGHKNYFAUMD  133      
845-864 9 Jeffersonville NY PGHKNYFAUMD  133   2021-06-17   
847-230 2 Roselle IL OKBRILOAHMD  358      
847-230 5 Roselle IL OKBRILOAHMD  358      
847-230 6 Roselle IL OKBRILOAHMD  358      
847-260 6 Schiller Park IL OKBRILOADS3  358   2001-12-31   
847-261 A River Grove IL OKBRILOAHMD  358      
847-261 6 River Grove IL OKBRILOAHMD  358      
847-264 3 Elk Grove IL OKBRILOAHMD  358      
847-264 7 Elk Grove IL OKBRILOAHMD  358      
847-285 2 Roselle IL OKBRILOAHMD  358      
847-285 9 Roselle IL OKBRILOAHMD  358      
847-579 2 Deerfield IL OKBRILOADS3  358   2003-07-19   
847-637 4 Arlington Heights IL OKBRILOAHMD  358      
847-637 9 Arlington Heights IL OKBRILOAHMD  358      
847-643 5 Libertyville IL OKBRILOADS3  358   2001-09-17   
847-794 2 Palatine IL OKBRILOAHMD  358      
847-852 5 Barrington IL OKBRILOAHMD  358   2003-02-16   
850-360 A Graceville FL PNCYFLMAX3Y  45009      
850-360 9 Graceville FL PNCYFLMAX3Y  45009   2004-08-22   
850-564 A Milton FL PNSCFLBLX9X  44813      
850-564 9 Milton FL PNSCFLBLX9X  44813      
856-379 A Camden NJ CMDNNJCE69Z  222      
856-379 2 Camden NJ CMDNNJCE69Z  222      
856-402 A Beaver Brook NJ CMDNNJCE03Z  222      
856-402 9 Beaver Brook NJ CMDNNJCE03Z  222   2012-09-26   
856-437 A Moorestown NJ CMDNNJCE69Z  222      
856-437 1 Moorestown NJ CMDNNJCE69Z  222      
856-437 2 Moorestown NJ CMDNNJCE69Z  222      
856-438 A Merchantville NJ CMDNNJCE69Z  222      
856-438 2 Merchantville NJ CMDNNJCE69Z  222      
856-480 A Mullica Hill NJ CMDNNJCE69Z  222      
856-480 9 Mullica Hill NJ CMDNNJCE69Z  222   2021-07-06   
856-568 A Laurel Springs NJ CMDNNJCE69Z  222      
856-568 3 Laurel Springs NJ CMDNNJCE69Z  222      
856-574 A Marlton NJ CMDNNJCE69Z  222      
856-574 9 Marlton NJ CMDNNJCE69Z  222      
857-574 7 East Boston MA CMBRMA01DS4  128   2001-06-28   
858-304 A Rancho Bernardo CA SNDGCA07DS1  732      
858-304 9 Rancho Bernardo CA SNDGCA07DS1  732      
858-369 A Del Mar CA SNDGCA07DS1  732      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.