Local Calling Guide

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

NXX: 453

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-453 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
240-453 0 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236      
240-453 1 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2017-01-17   
240-453 2 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236      
240-453 3 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236      
240-453 4 Washington Zone 10 MD   876D ONVOY, LLC - MD 236   2014-10-27   
240-453 5 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236      
240-453 6 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236      
240-453 7 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236      
240-453 8 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236      
240-453 9 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236      

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

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