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: 792

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-792 A Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-792 0 Frederick MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2021-10-28   
240-792 1 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2021-11-04   
240-792 2 Frederick MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2022-07-30   
240-792 3 Frederick MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2021-12-02   
240-792 4 Frederick MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-11-18   
240-792 5 Frederick MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2021-10-21   
240-792 6 Frederick MD HGTWMD53EMD  516J TON80 COMMUNICATIONS, LLC 240   2021-10-09   
240-792 7 Frederick MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-11-18   
240-792 8 Frederick MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-11-18   
240-792 9 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2021-09-25   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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