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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OCN: 7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
973-753 2 Morristown NJ NWRKNJ41DS0  224      
973-753 3 Morristown NJ NWRKNJ41DS0  224      
973-753 5 Morristown NJ NWRKNJ41DS0  224      
973-753 9 Morristown NJ NWRKNJ41DS0  224      
973-780 A Bloomfield NJ NWRKNJ41DS0  224      
973-780 1 Bloomfield NJ NWRKNJ41DS0  224      
973-780 9 Bloomfield NJ NWRKNJ41DS0  224      
973-821 A South Orange NJ NWRKNJ41DS0  224      
973-821 9 South Orange NJ NWRKNJ41DS0  224      
973-830 A Caldwell NJ NWRKNJ41DS0  224      
973-830 1 Caldwell NJ NWRKNJ41DS0  224      
973-830 2 Caldwell NJ NWRKNJ41DS0  224      
973-830 4 Caldwell NJ NWRKNJ41DS0  224      
973-906 7 Morristown NJ NWRKNJ41DS0  224   2009-01-20   
973-935 7 Newfoundland NJ NWRKNJ41DS0  224   2005-06-24   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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