Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 551G NUSO, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
610-893 8 Philadelphia Suburban Zone 28 PA PHLAPAMKGMD  228   2018-11-07   
610-922 0 Philadelphia Suburban Zone 25 PA PHLAPAMKGMD  228   2018-11-07   
610-922 3 Philadelphia Suburban Zone 25 PA PHLAPAMKGMD  228   2016-09-23   
610-922 5 Philadelphia Suburban Zone 25 PA PHLAPAMKGMD  228   2016-09-23   
610-922 9 Philadelphia Suburban Zone 25 PA PHLAPAMKGMD  228   2018-11-07   
610-936 A Bethlehem PA PHLAPAMKGMD  228      
610-936 1 Bethlehem PA PHLAPAMKGMD  228   2018-09-01   
610-957 0 Philadelphia Suburban Zone 14 PA PHLAPAMKGMD  228   2016-09-23   
610-957 1 Philadelphia Suburban Zone 14 PA PHLAPAMKGMD  228   2016-09-23   
612-405 A Twin Cities MN MPLSMNDTX7Y  628      
612-405 1 Twin Cities MN MPLSMNDTX7Y  628   2014-08-07   
614-914 A Columbus OH CLMBOH1119Z  324      
614-914 1 Columbus OH CLMBOH1119Z  324   2013-01-25   
615-997 A Nashville TN NSVLTNMTY0Y  470      
618-605 A Carbondale IL CRDLILXE1MD  362      
618-605 1 Carbondale IL CRDLILXE1MD  362   2013-05-08   
618-879 A Olney IL OLNYILXENMD  978      
618-879 3 Olney IL OLNYILXENMD  978   2013-05-18   
619-359 A San Diego: San Diego DA CA SNDGCA0240Z  732      
619-359 1 San Diego: San Diego DA CA SNDGCA0240Z  732   2013-01-04   
619-539 2 San Diego: San Diego DA CA SNDGCA0240Z  732   2018-03-06   
646-791 A New York City Zone 01 NY NYCMNY37BMD  132      
646-791 1 New York City Zone 01 NY NYCMNY37BMD  132   2014-03-19   
646-904 4 New York City Zone 01 NY NYCMNY37BMD  132   2017-06-07   
646-904 5 New York City Zone 01 NY NYCMNY37BMD  132   2017-06-07   
646-906 8 New York City Zone 01 NY NYCMNY37BMD  132   2018-11-21   
646-906 9 New York City Zone 01 NY NYCMNY37BMD  132   2018-11-21   
646-956 A New York City Zone 01 NY NYCMNY37BMD  132      
646-956 1 New York City Zone 01 NY NYCMNY37BMD  132   2016-10-05   
646-956 2 New York City Zone 01 NY NYCMNY37BMD  132   2016-10-05   
646-956 3 New York City Zone 01 NY NYCMNY37BMD  132   2016-10-05   
646-956 4 New York City Zone 01 NY NYCMNY37BMD  132   2016-10-05   
646-956 5 New York City Zone 01 NY NYCMNY37BMD  132   2016-10-05   
661-448 A Bakersfield: Main DA CA BKFDCA11RMD  734      
661-448 1 Bakersfield: Main DA CA BKFDCA11RMD  734   2012-12-30   
667-221 8 Salisbury MD SLBRMDSBAMD  242   2018-10-14   
667-221 9 Salisbury MD SLBRMDSBAMD  242   2018-10-14   
667-253 A Salisbury MD SLBRMDSBAMD  242      
667-253 1 Salisbury MD SLBRMDSBAMD  242   2013-05-08   
667-260 8 Baltimore MD BLTMMDCHDMD  238   2016-04-01   
667-266 1 Salisbury MD SLBRMDSBAMD  242   2018-11-07   
667-266 8 Salisbury MD SLBRMDSBAMD  242   2018-11-07   
667-266 9 Salisbury MD SLBRMDSBAMD  242   2018-11-07   
667-303 A Baltimore MD BLTMMDCHDMD  238      
667-303 1 Baltimore MD BLTMMDCHDMD  238   2013-05-08   
667-303 2 Baltimore MD BLTMMDCHDMD  238   2014-02-06   
667-305 A Pikesville MD BLTMMDCHDMD  238      
667-305 1 Pikesville MD BLTMMDCHDMD  238   2013-07-12   
667-400 8 Baltimore MD BLTMMDCHDMD  238   2018-11-07   
667-400 9 Baltimore MD BLTMMDCHDMD  238   2018-11-07   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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