Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

NXX: 835

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-835 A Frederick MD HGTWMD534MD  197D VONAGE AMERICA LLC 240      
301-835 0 Frederick MD HGTWMD534MD  197D VONAGE AMERICA LLC 240   2019-01-18   
301-835 1 Frederick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-11-07   
301-835 2 Frederick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-11-07   
301-835 3 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240   2019-11-29   
301-835 4 Frederick MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2019-10-16   
301-835 5 Frederick MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2019-03-13   
301-835 6 Frederick MD FRDRMDFRXAX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 240   2019-04-11   
301-835 7 Frederick MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2019-03-20   
301-835 8 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2019-01-19   
301-835 9 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2019-10-01   

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

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