Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 280

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-280 A Laurel MD ARTNVAARXDY  318J COMCAST IP PHONE LLC 236   2021-01-26   
240-280 0 Laurel MD   4773 XO MARYLAND, LLC 236   2004-09-15   
240-280 1 Laurel MD   318J COMCAST IP PHONE LLC 236   2006-08-01   
240-280 2 Laurel MD   318J COMCAST IP PHONE LLC 236   2006-08-01   
240-280 3 Laurel MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2008-10-01   
240-280 4 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-19   
240-280 5 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-09   
240-280 6 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-07-30   
240-280 7 Laurel MD   318J COMCAST IP PHONE LLC 236   2007-10-07   
240-280 8 Laurel MD   318J COMCAST IP PHONE LLC 236   2002-01-31   
240-280 9 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-12-24   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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