Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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San Francisco: Montrose-Evergreen DA, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
415-319 4   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-09-16   
415-319 5   6529 T-MOBILE USA, INC. 722   2014-12-08   
415-319 6   649C ONVOY, LLC - CA 722   2014-12-18   
415-319 7   649C ONVOY, LLC - CA 722   2014-12-18   
415-319 8   649C ONVOY, LLC - CA 722   2014-12-15   
415-319 9   649C ONVOY, LLC - CA 722   2014-12-15   
415-340 A SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-340 0   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-10-02   
415-340 1   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-10-02   
415-340 2   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-10-02   
415-340 3   318J COMCAST IP PHONE, LLC 722   2011-10-04   
415-340 4   649C ONVOY, LLC - CA 722   2011-11-03   
415-340 5   649C ONVOY, LLC - CA 722   2011-11-03   
415-340 6   649C ONVOY, LLC - CA 722   2011-11-03   
415-340 7   649C ONVOY, LLC - CA 722   2011-11-03   
415-340 8   649C ONVOY, LLC - CA 722   2011-11-03   
415-340 9   6529 T-MOBILE USA, INC. 722   2011-10-04   
415-368 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-368 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-368 1   5562 METROPCS, INC. 722   2004-04-05   
415-368 2   5562 METROPCS, INC. 722   2004-04-05   
415-368 3   5562 METROPCS, INC. 722   2004-04-05   
415-368 4   5562 METROPCS, INC. 722   2004-04-05   
415-368 5   5562 METROPCS, INC. 722   2004-04-05   
415-368 6   5562 METROPCS, INC. 722   2004-04-05   
415-368 7   5562 METROPCS, INC. 722   2004-04-05   
415-368 8   5562 METROPCS, INC. 722   2004-04-05   
415-368 9   5562 METROPCS, INC. 722   2004-04-05   
415-375 A   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-375 0   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
415-375 1   5562 METROPCS, INC. 722   2004-04-05   
415-375 2   5562 METROPCS, INC. 722   2004-04-05   
415-375 3   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-375 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-375 5   6529 T-MOBILE USA, INC. 722   2019-08-01   
415-375 6   624H ONVOY SPECTRUM, LLC 722   2025-02-21   
415-375 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2004-12-07   
415-375 8   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-375 9   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-379 A SNFCCA13DS0  9740 PACIFIC BELL 722      
415-379 0   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-04-29   
415-379 1   9740 PACIFIC BELL 722      
415-379 2   9740 PACIFIC BELL 722      
415-379 3   9740 PACIFIC BELL 722      
415-379 4   318J COMCAST IP PHONE, LLC 722   2007-07-08   
415-379 5   9740 PACIFIC BELL 722      
415-379 6   9740 PACIFIC BELL 722      
415-379 7   9740 PACIFIC BELL 722      
415-379 8   9740 PACIFIC BELL 722      
415-379 9   9740 PACIFIC BELL 722      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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