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 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
916-267 2 Sacramento: Main DA CA SCRMCA04DS1  726      
916-267 6 Sacramento: Main DA CA SCRMCA04DS1  726      
916-283 A Sacramento: North DA CA SCRMCA04DS1  726      
916-283 0 Sacramento: North DA CA SCRMCA04DS1  726      
916-283 2 Sacramento: North DA CA SCRMCA04DS1  726      
916-350 A Folsom CA SCRMCA04DS1  726      
916-350 2 Folsom CA SCRMCA04DS1  726      
916-350 3 Folsom CA SCRMCA04DS1  726      
916-350 6 Folsom CA SCRMCA04DS1  726      
916-350 7 Folsom CA SCRMCA04DS1  726      
916-350 8 Folsom CA SCRMCA04DS1  726      
916-350 9 Folsom CA SCRMCA04DS1  726      
916-583 A Sacramento: Main DA CA DNGNCA01DS1  726      
916-583 9 Sacramento: Main DA CA DNGNCA01DS1  726      
916-644 4 Lincoln CA SCRMCA04DS1  726   2007-05-01   
916-970 6 Sacramento: Main DA CA SCRMCA04DS1  726   2014-08-01   
919-257 A Durham NC DRHMNCRTDS0  426      
919-257 2 Durham NC DRHMNCRTDS0  426      
919-257 4 Durham NC DRHMNCRTDS0  426   2006-12-30   
919-257 5 Durham NC DRHMNCRTDS0  426   2007-08-25   
919-257 6 Durham NC DRHMNCRTDS0  426   2006-10-14   
919-278 A Raleigh NC DRHMNCRTDS0  426      
919-278 1 Raleigh NC DRHMNCRTDS0  426      
919-278 9 Raleigh NC DRHMNCRTDS0  426      
919-279 A Raleigh NC DRHMNCRTDS0  426      
919-279 6 Raleigh NC DRHMNCRTDS0  426      
919-279 9 Raleigh NC DRHMNCRTDS0  426      
919-317 3 Durham NC DRHMNCRTDS0  426   2007-11-17   
919-455 A Raleigh NC DRHMNCRTDS0  426      
919-455 2 Raleigh NC DRHMNCRTDS0  426      
919-455 9 Raleigh NC DRHMNCRTDS0  426      
919-551 A Zebulon NC RLGHNCMOX0X  426      
919-551 9 Zebulon NC RLGHNCMOX0X  426   2003-11-28   
919-650 A Cary NC DRHMNCRTDS0  426      
919-650 5 Cary NC DRHMNCRTDS0  426      
919-651 A Cary NC DRHMNCRTDS0  426      
919-651 2 Cary NC DRHMNCRTDS0  426      
919-651 5 Cary NC DRHMNCRTDS0  426      
919-666 1 Durham NC DRHMNCRTDS0  426   2011-08-03   
919-697 4 Durham NC DRHMNCRTDS0  426   2008-07-05   
920-632 A De Pere WI GNBYWIATNMD  350      
920-632 0 De Pere WI GNBYWIATNMD  350      
920-632 1 De Pere WI GNBYWIATNMD  350   2005-12-08   
920-632 5 De Pere WI GNBYWIATNMD  350   2008-04-25   
920-632 9 De Pere WI GNBYWIATNMD  350      
920-634 A Green Bay WI GNBYWIATNMD  350      
920-634 3 Green Bay WI GNBYWIATNMD  350      
920-695 A Sturgeon Bay WI GNBYWIATNMD  350      
920-695 9 Sturgeon Bay WI GNBYWIATNMD  350   2003-09-21   
925-965 4 Pleasanton CA OKLDCA03DS1  722      

<< 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 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.