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
310-744 3 El Segundo CA GRDNCA02DS3  730      
310-744 9 El Segundo CA GRDNCA02DS3  730      
310-981 A Inglewood CA GRDNCA02DS3  730      
310-981 1 Inglewood CA GRDNCA02DS3  730      
310-981 2 Inglewood CA GRDNCA02DS3  730      
312-239 A Chicago Zone 01-Canal IL CHCGILCLDS9  358      
312-239 4 Chicago Zone 01-Canal IL CHCGILCLDS9  358      
312-239 5 Chicago Zone 01-Canal IL CHCGILCLDS9  358      
312-239 9 Chicago Zone 01-Canal IL CHCGILCLDS9  358      
312-529 A Chicago Zone 01-Franklin IL CHCGILCLDSC  358      
312-529 2 Chicago Zone 01-Franklin IL CHCGILCLDSC  358      
312-730 A Chicago Zone 01-Wabash IL CHCGILCLDSC  358      
312-730 1 Chicago Zone 01-Wabash IL CHCGILCLDSC  358      
312-730 9 Chicago Zone 01-Wabash IL CHCGILCLDSC  358      
313-263 A Detroit Zone 1 MI DTRTMIBADS1  340      
313-263 9 Detroit Zone 1 MI DTRTMIBADS1  340      
313-424 A Detroit Zone 1 MI BRHMMIBD7MD  340      
313-424 1 Detroit Zone 1 MI BRHMMIBD7MD  340      
313-633 A Detroit Zone 6 MI BRHMMIBD7MD  340      
313-633 2 Detroit Zone 6 MI BRHMMIBD7MD  340      
314-292 A Ladue MO CRVCMOAT3MD  520      
314-292 0 Ladue MO CRVCMOAT3MD  520      
314-292 1 Ladue MO CRVCMOAT3MD  520      
314-292 2 Ladue MO CRVCMOAT3MD  520      
314-292 3 Ladue MO CRVCMOAT3MD  520      
314-292 4 Ladue MO CRVCMOAT3MD  520      
314-450 A St Louis MO STLSMO09DS1  520      
314-450 2 St Louis MO STLSMO09DS1  520      
314-450 3 St Louis MO STLSMO09DS1  520      
314-450 9 St Louis MO STLSMO09DS1  520      
314-548 A Creve Coeur MO STLSMO09DS1  520      
314-548 4 Creve Coeur MO STLSMO09DS1  520      
314-562 A Ladue MO CRVCMOAT3MD  520      
314-562 9 Ladue MO CRVCMOAT3MD  520      
314-600 A St Louis MO STLSMO09DS2  520      
314-600 9 St Louis MO STLSMO09DS2  520      
314-620 A Kirkwood MO CRVCMOAT3MD  520      
314-620 2 Kirkwood MO CRVCMOAT3MD  520      
315-210 3 Newark NY SYRCNYSUDS2  136   2001-02-26   
315-221 6 Watertown NY SYRCNYSUDS2  136   2005-08-27   
315-227 7 Penn Yan NY SYRCNYSUDS2  136   2001-02-26   
315-288 A Cicero NY SYRCNYSUXMX  136      
315-288 9 Cicero NY SYRCNYSUXMX  136      
315-326 5 Oswego NY SYRCNYSUDS2  136   2004-07-26   
315-350 A Syracuse NY SYRCNYSUXMX  136      
315-350 2 Syracuse NY SYRCNYSUXMX  136      
315-350 5 Syracuse NY SYRCNYSUXMX  136      
315-351 A Utica NY SYRCNYSUDS2  136      
315-351 3 Utica NY SYRCNYSUDS2  136      
315-351 4 Utica NY SYRCNYSUDS2  136      

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

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