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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-583 A Laurel MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236   2010-06-12   
240-583 0 Laurel MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-14   
240-583 1 Laurel MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-583 2 Laurel MD   9212 VERIZON MARYLAND, INC. 236   2010-06-12   
240-583 3 Laurel MD   9212 VERIZON MARYLAND, INC. 236   2010-06-12   
240-583 4 Laurel MD   9212 VERIZON MARYLAND, INC. 236   2010-06-12   
240-583 5 Laurel MD   9212 VERIZON MARYLAND, INC. 236   2010-06-12   
240-583 6 Laurel MD   9212 VERIZON MARYLAND, INC. 236   2010-06-12   
240-583 7 Laurel MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-583 8 Laurel MD   4773 XO MARYLAND, LLC 236   2010-09-02   
240-583 9 Laurel MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-07-22   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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