Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 516C AT&T CORP.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
618-844 A Carlyle IL COVLILCL0MD  520      
618-844 5 Carlyle IL COVLILCL0MD  520   2011-09-29   
618-857 8 East St Louis IL COVLILCL0MD  520   2006-10-18   
618-880 2 Nashville IL COVLILCL0MD  520   2024-08-12   
618-887 5 Marine IL COVLILCL0MD  520   2011-04-26   
618-918 5 Centralia IL COVLILCL0MD  520   2011-09-29   
619-228 9 San Diego: San Diego DA CA SNDGCA0242Z  732      
619-230 5 San Diego: San Diego DA CA SNDGCA0242Z  732   2011-09-13   
619-326 8 San Diego: San Diego DA CA SNDGCA0242Z  732   2011-01-10   
619-332 8 El Cajon CA SNDGCA0242Z  732   2016-03-28   
619-343 1 San Diego: San Diego DA CA SNDGCA0242Z  732   2016-06-07   
619-350 5 Jacumba CA SNDGCA0242Z  732   2011-09-26   
619-431 5 San Diego: San Diego DA CA SNDGCA0242Z  732   2014-09-16   
619-436 3 San Diego: San Diego DA CA SNDGCA0242Z  732   2016-11-14   
619-457 0 El Cajon CA SNDGCA0242Z  732   2014-06-25   
619-458 9 San Diego: San Diego DA CA SNDGCA0242Z  732   2014-06-10   
619-467 A La Mesa CA SNDGCA0242Z  732      
619-467 7 La Mesa CA SNDGCA0242Z  732   2006-06-30   
619-478 3 Campo CA SNDGCA0242Z  732   2011-09-26   
619-500 5 Chula Vista CA SNDGCA0242Z  732   2011-01-26   
619-512 1 National City CA SNDGCA0242Z  732   2014-04-11   
619-542 9 San Diego: San Diego DA CA SNDGCA0242Z  732   2010-03-22   
619-576 3 Chula Vista CA SNDGCA0242Z  732   2014-10-31   
619-601 9 Chula Vista CA SNDGCA0242Z  732   2016-09-19   
619-621 6 Chula Vista CA SNDGCA0242Z  732   2016-06-07   
619-631 7 El Cajon CA SNDGCA0242Z  732   2011-07-25   
619-642 0 San Diego: San Diego DA CA SNDGCA0242Z  732   2015-01-20   
619-693 5 San Diego: San Diego DA CA SNDGCA0242Z  732   2015-11-30   
619-693 9 San Diego: San Diego DA CA SNDGCA0242Z  732   2016-09-09   
619-722 4 Harbison-Alpine CA SNDGCA0242Z  732   2007-03-01   
619-724 6 La Mesa CA SNDGCA0242Z  732   2016-03-18   
619-731 8 National City CA SNDGCA0242Z  732   2016-08-26   
619-737 A Chula Vista CA SNDGCA0242Z  732      
619-737 5 Chula Vista CA SNDGCA0242Z  732   2012-02-17   
619-738 8 San Diego: San Diego DA CA SNDGCA0242Z  732   2015-06-23   
619-773 6 National City CA SNDGCA0242Z  732   2006-06-30   
619-816 5 Chula Vista CA SNDGCA0242Z  732   2010-04-13   
619-825 3 La Mesa CA SNDGCA0242Z  732   2014-07-09   
619-825 7 La Mesa CA SNDGCA0242Z  732   2011-08-26   
619-826 A Dulzura CA SNDGCA0242Z  732      
619-826 7 Dulzura CA SNDGCA0242Z  732   2011-08-04   
619-842 4 Pine Valley CA SNDGCA0242Z  732   2011-09-26   
619-844 0 San Diego: San Diego DA CA SNDGCA0242Z  732   2016-09-09   
619-863 0 Chula Vista CA SNDGCA0242Z  732   2009-06-30   
619-882 2 Chula Vista CA SNDGCA0242Z  732   2014-05-26   
619-892 7 San Diego: San Diego DA CA SNDGCA0242Z  732   2009-07-14   
619-938 4 El Cajon CA SNDGCA0242Z  732   2005-07-08   
619-947 6 Chula Vista CA SNDGCA0242Z  732   2006-07-07   
619-996 3 Coronado CA SNDGCA0242Z  732   2006-06-30   
620-213 5 Medicine Lodge KS WCHTKSBRTMD  532   2012-12-26   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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