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Area code/prefix search

Search area code/prefix (NPA/NXX)
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Washington Zone 14, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-470 6   9212 VERIZON MARYLAND, INC. 236      
301-470 7   9212 VERIZON MARYLAND, INC. 236      
301-470 8   9212 VERIZON MARYLAND, INC. 236      
301-470 9   9212 VERIZON MARYLAND, INC. 236      
301-666 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-666 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-666 1   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-666 2   876D ONVOY, LLC - MD 236   2017-12-14   
301-666 3   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-666 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-666 5   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-666 6   2593 CORE COMMUNICATIONS, INC.- MD 236   2012-08-26   
301-666 7   508J CENTURYLINK COMMUNICATIONS LLC 236   2014-04-02   
301-666 8   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-666 9   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-677 A WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-756 A LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 0   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 1   073H TELNYX LLC 236   2017-03-14   
301-756 2   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-756 3   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 4   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 5   876D ONVOY, LLC - MD 236   2020-04-30   
301-756 6   5562 METROPCS, INC. 236   2017-08-04   
301-756 7   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 8   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 9   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-794 A LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 0   9212 VERIZON MARYLAND, INC. 236      
301-794 1   9212 VERIZON MARYLAND, INC. 236      
301-794 2   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-794 3   9212 VERIZON MARYLAND, INC. 236      
301-794 4   9212 VERIZON MARYLAND, INC. 236      
301-794 5   9212 VERIZON MARYLAND, INC. 236      
301-794 6   9212 VERIZON MARYLAND, INC. 236      
301-794 7   9212 VERIZON MARYLAND, INC. 236      
301-794 8   9212 VERIZON MARYLAND, INC. 236      
301-794 9   9212 VERIZON MARYLAND, INC. 236      
301-805 A BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-809 A BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-809 0   9212 VERIZON MARYLAND, INC. 236      
301-809 1   9212 VERIZON MARYLAND, INC. 236      
301-809 2   9212 VERIZON MARYLAND, INC. 236      
301-809 3   9212 VERIZON MARYLAND, INC. 236      
301-809 4   9212 VERIZON MARYLAND, INC. 236      
301-809 5   9212 VERIZON MARYLAND, INC. 236      
301-809 6   9212 VERIZON MARYLAND, INC. 236      
301-809 7   5562 METROPCS, INC. 236   2019-06-17   
301-809 8   9212 VERIZON MARYLAND, INC. 236      
301-809 9   9212 VERIZON MARYLAND, INC. 236      

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Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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