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: 656

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-656 A Frederick MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
240-656 0 Frederick MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2021-02-22   
240-656 1 Frederick MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2021-03-14   
240-656 2 Frederick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-01-05   
240-656 3 Frederick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-01-05   
240-656 4 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240   2020-07-10   
240-656 5 Frederick MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2020-10-24   
240-656 6 Frederick MD HGTWMD53DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 240   2020-10-28   
240-656 7 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240   2020-10-25   
240-656 8 Frederick MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2019-11-01   
240-656 9 Frederick MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2019-11-01   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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