Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 318 [Rate centres in NPA 318] [Dial plan for NPA 318]

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-421 A Monterey LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486      
318-421 0 Monterey LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486      
318-421 1 Monterey LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2011-02-13   
318-421 2 Monterey LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2012-01-15   
318-421 3 Monterey LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2019-01-05   
318-421 4 Monterey LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2015-07-11   
318-421 5 Monterey LA SHPTLAMAXMZ  516C AT&T CORP. 486   2013-02-16   
318-421 6 Monterey LA SHPTLAMAXQY  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 486   2014-01-03   
318-421 7 Monterey LA CTPTLAXA1MD  508J CENTURYLINK COMMUNICATIONS, LLC 486   2014-09-05   
318-421 8 Monterey LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2017-02-11   
318-421 9 Monterey LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2009-09-25   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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