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
404-704 1 Atlanta GA ATLNGATLDS5  438      
406-219 A Bozeman MT BLNGMTMAIMD  650      
406-219 9 Bozeman MT BLNGMTMAIMD  650      
406-221 A Butte MT HLNAMTMAKMD  648      
406-221 9 Butte MT HLNAMTMAKMD  648      
406-274 A Missoula MT MSSLMTMAHMD  648      
406-274 9 Missoula MT MSSLMTMAHMD  648      
406-316 A Boulder MT HLNAMTMAX0X  648      
406-316 9 Boulder MT HLNAMTMAX0X  648   2019-10-01   
406-419 A Victor MT MSSLMTMAHMD  648      
406-419 9 Victor MT MSSLMTMAHMD  648   2019-10-01   
406-625 A Stevensville MT MSSLMTMAX0X  648   2024-02-23   
406-625 9 Stevensville MT   648   2024-02-24   
406-634 A Helena MT HLNAMTMAX0X  648      
406-634 9 Helena MT HLNAMTMAX0X  648      
406-815 A Red Lodge MT BLNGMTMAX5X  650      
406-815 9 Red Lodge MT BLNGMTMAX5X  650   2022-03-08   
406-997 A Fromberg MT   650   2024-03-09   
406-997 9 Fromberg MT   650   2024-03-09   
408-340 2 Campbell CA SNRSCA010MD  722   2003-06-23   
408-755 4 San Jose: West DA CA SNJSCA02DS3  722   2011-08-01   
408-916 A San Jose: West DA CA SNJSCA02DS3  722      
408-916 0 San Jose: West DA CA SNJSCA02DS3  722      
408-916 2 San Jose: West DA CA SNJSCA02DS3  722      
408-916 9 San Jose: West DA CA SNJSCA02DS3  722      
409-365 A Port Arthur TX BUMTTXATBMD  562      
409-365 1 Port Arthur TX BUMTTXATBMD  562      
409-449 A Evadale TX BUMTTXATLMD  562      
409-449 9 Evadale TX BUMTTXATLMD  562   2003-05-08   
409-678 A Beaumont TX BUMTTXATBMD  562      
409-678 9 Beaumont TX BUMTTXATBMD  562      
410-231 5 Solomons MD BLTMMDCHDS6  238   2007-08-06   
410-690 A Easton MD WYMLMDMWLMD  242      
410-690 9 Easton MD WYMLMDMWLMD  242   2002-07-25   
412-200 A Pittsburgh Suburban Zone 14 PA PITBPADGDS2  234      
412-200 3 Pittsburgh Suburban Zone 14 PA PITBPADGDS2  234      
412-200 4 Pittsburgh Suburban Zone 14 PA PITBPADGDS2  234      
412-200 6 Pittsburgh Suburban Zone 14 PA PITBPADGDS2  234      
412-200 9 Pittsburgh Suburban Zone 14 PA PITBPADGDS2  234      
412-206 4 Pittsburgh Suburban Zone 13 PA PITBPADGYMD  234   2005-04-07   
412-212 2 Pittsburgh Suburban Zone 12 PA PITBPADGYMD  234   2006-11-20   
412-315 A Pittsburgh Zone 1 PA PITBPADGDS5  234      
412-315 2 Pittsburgh Zone 1 PA PITBPADGDS5  234   2011-03-18   
412-326 4 Pittsburgh Zone 5 PA PITBPADGYMD  234   2004-04-23   
412-386 2 Pittsburgh Suburban Zone 11 PA PITBPADGYMD  234   2002-12-15   
412-501 5 Pittsburgh Zone 4 PA PITBPADGYMD  234   2012-02-27   
412-518 3 Pittsburgh Zone 1 PA PITBPADGDS5  234   2010-01-04   
412-518 4 Pittsburgh Zone 1 PA PITBPADGDS5  234   2010-01-04   
412-536 2 Pittsburgh Suburban Zone 17 PA PITBPADGYMD  234   2002-12-15   
412-631 A Pittsburgh Suburban Zone 15 PA PITBPADGYMD  234      

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Last updated: Sat, 01 Jun 2024 11:59:14 UTC

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