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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
858-431 1 La Jolla CA SNDGCA07DS1  732      
858-431 2 La Jolla CA SNDGCA07DS1  732      
858-431 3 La Jolla CA SNDGCA07DS1  732      
858-431 5 La Jolla CA SNDGCA07DS1  732      
858-431 7 La Jolla CA SNDGCA07DS1  732      
858-431 8 La Jolla CA SNDGCA07DS1  732      
858-633 A San Diego: Linda Vista DA CA SNDGCA07DS1  732      
858-633 9 San Diego: Linda Vista DA CA SNDGCA07DS1  732      
858-740 A San Diego: Mira Mesa DA CA SNDGCA07DS1  732      
858-740 2 San Diego: Mira Mesa DA CA SNDGCA07DS1  732      
859-378 A Little Rock KY WNCHKYATXPX  466      
859-378 9 Little Rock KY WNCHKYATXPX  466   2023-12-08   
860-431 A Simsbury CT NWHNCT02X5X  920      
860-431 9 Simsbury CT NWHNCT02X5X  920      
860-438 A New Britain CT NWHNCT02X5X  920      
860-438 3 New Britain CT NWHNCT02X5X  920      
860-438 4 New Britain CT NWHNCT02X5X  920      
860-474 A Manchester CT NWHNCT02X5X  920      
860-474 9 Manchester CT NWHNCT02X5X  920   2003-08-29   
860-502 A Hartford CT NWHNCT02X5X  920      
860-502 1 Hartford CT NWHNCT02X5X  920      
860-502 6 Hartford CT NWHNCT02X5X  920      
860-703 A Farmington CT NWHNCT02X5X  920      
860-703 6 Farmington CT NWHNCT02X5X  920      
860-847 A Windsor CT NWHNCT02X5X  920      
860-847 5 Windsor CT NWHNCT02X5X  920      
860-894 A Middletown CT NWHNCT02X5X  920      
860-894 3 Middletown CT NWHNCT02X5X  920      
860-968 A Glastonbury CT NWHNCT02X5X  920      
860-968 9 Glastonbury CT NWHNCT02X5X  920      
862-369 A Nutley NJ RCPKNJ02XGY  224      
862-369 9 Nutley NJ RCPKNJ02XGY  224   2021-07-06   
862-432 4 Succasunna NJ RCPKNJ02XGY  224   2003-01-08   
863-513 A Lakeland FL TAMPFLCOWMD  952      
863-513 1 Lakeland FL TAMPFLCODS0  952      
863-594 5 Winter Haven FL TAMPFLCODS0  952   2005-06-24   
864-798 A Clinton SC GNVLSCDT83Z  430      
864-798 9 Clinton SC GNVLSCDT83Z  430   2022-08-31   
865-274 4 Knoxville TN KNVLTNMAYGX  474   2003-10-06   
865-274 5 Knoxville TN KNVLTNMAYGX  474   2003-10-06   
865-297 A Knoxville TN KNVLTNMAYGX  474      
865-297 0 Knoxville TN KNVLTNMAYGX  474      
865-297 1 Knoxville TN KNVLTNMAYGX  474      
865-297 9 Knoxville TN KNVLTNMAYGX  474      
870-333 A Jonesboro AR JNBOARAT3MD  528      
870-333 9 Jonesboro AR JNBOARAT3MD  528      
872-262 A Chicago Zone 09-South Chicago IL CHCGILCLX4Y  358      
872-262 9 Chicago Zone 09-South Chicago IL CHCGILCLX4Y  358   2020-06-08   
872-329 A Chicago Zone 10-Beverly IL CHCGILCLX0Y  358      
872-329 9 Chicago Zone 10-Beverly IL CHCGILCLX0Y  358   2023-04-24   
901-389 A Arlington TN MMPHTNMAX6Z  468      
901-389 9 Arlington TN MMPHTNMAX6Z  468   2003-09-11   
901-444 7 Arlington TN MMPHTNMAX6Z  468   2012-09-27   
903-283 A Tyler TX LGVWTXTLX1X  554      
903-283 9 Tyler TX LGVWTXTLX1X  554      
903-544 A Longview TX LGVWTXTLX2X  554      
903-544 9 Longview TX LGVWTXTLX2X  554      
903-699 A Longview TX LGVWTXTLX4X  554      
903-699 9 Longview TX LGVWTXTLX4X  554      
904-625 A Jacksonville FL JCVLFLCLDS3  45204      
904-625 9 Jacksonville FL JCVLFLCLDS3  45204      
904-893 A Jacksonville FL JCVLFLCLYOX  45204      
904-893 9 Jacksonville FL JCVLFLCLYOX  45204   2023-04-26   
908-219 A Summit NJ RCPKNJ02XGY  224      
908-219 0 Summit NJ RCPKNJ02XGY  224      
908-219 3 Summit NJ RCPKNJ02XGY  224      
908-219 5 Summit NJ RCPKNJ02XGY  224      
908-269 6 Hackettstown NJ RCPKNJ02XGY  224   2004-07-25   
908-368 A Elizabeth NJ NWRKNJ02DSP  224      
908-368 2 Elizabeth NJ NWRKNJ02DSP  224      
908-368 9 Elizabeth NJ NWRKNJ02DSP  224      
908-552 A Somerville NJ RCPKNJ02XGY  224      
908-552 2 Somerville NJ RCPKNJ02XGY  224      
908-552 3 Somerville NJ RCPKNJ02XGY  224      
908-655 A Somerville NJ RCPKNJ02XGY  224      
908-655 3 Somerville NJ RCPKNJ02XGY  224      
908-655 4 Somerville NJ RCPKNJ02XGY  224      
908-655 9 Somerville NJ RCPKNJ02XGY  224      
908-748 A Peapack NJ RCPKNJ02XGY  224      
908-748 1 Peapack NJ RCPKNJ02XGY  224      
908-774 A Unionville NJ NWRKNJ02Y8X  224      
908-774 4 Unionville NJ NWRKNJ02Y8X  224      
908-860 A Millington NJ NWRKNJ02Y8X  224      
908-860 3 Millington NJ NWRKNJ02Y8X  224      
909-557 A Redlands CA SHOKCA02DS1  730      
909-557 9 Redlands CA SHOKCA02DS1  730      
909-969 A Ontario CA SHOKCA02DS1  730      
909-969 9 Ontario CA SHOKCA02DS1  730      
910-337 A Clinton NC FYVLNCDK0MD  949      
910-337 9 Clinton NC FYVLNCDK0MD  949      
910-363 A Southport NC LRBGNCAK0MD  428      
910-363 9 Southport NC LRBGNCAK0MD  428      
910-398 A Wilmington NC WLMGNCATFMD  428      
910-399 A Wilmington NC LRBGNCAK0MD  428      
910-399 0 Wilmington NC LRBGNCAK0MD  428      
910-399 9 Wilmington NC LRBGNCAK0MD  428      
912-988 A Pooler GA SVNHGABSX0Y  440      
912-988 9 Pooler GA SVNHGABSX0Y  440   2004-02-27   
913-217 A Kansas City KS KSCYKSJOX1X  524      
913-217 1 Kansas City KS KSCYKSJOX1X  524      

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

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.