Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 304 [Rate centres in NPA 304] [Dial plan for NPA 304]

NXX: 672

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-672 A Clarksburg WV CLBGWVMARMD  6284 UNITED STATES CELLULAR - WV 256      
304-672 0 Clarksburg WV CLBGWVMARMD  6284 UNITED STATES CELLULAR - WV 256      
304-672 1 Clarksburg WV CLBGWVMARMD  6284 UNITED STATES CELLULAR - WV 256      
304-672 2 Clarksburg WV CLBGWVMARMD  6284 UNITED STATES CELLULAR - WV 256      
304-672 3 Clarksburg WV CLBGWVMARMD  6284 UNITED STATES CELLULAR - WV 256      
304-672 4 Clarksburg WV CLBGWVMARMD  6284 UNITED STATES CELLULAR - WV 256      
304-672 5 Clarksburg WV CLBGWVMARMD  6284 UNITED STATES CELLULAR - WV 256      
304-672 6 Clarksburg WV CLBGWVMARMD  6284 UNITED STATES CELLULAR - WV 256      
304-672 7 Clarksburg WV CLBGWVMARMD  6284 UNITED STATES CELLULAR - WV 256      
304-672 8 Clarksburg WV CLBGWVMAXVX  624H ONVOY SPECTRUM, LLC 256      
304-672 9 Clarksburg WV CLBGWVMARMD  6284 UNITED STATES CELLULAR - WV 256      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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