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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 0049 UNION TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
603-269 A Center Barnstead NH CNBNNHXARP0  122      
603-269 0 Center Barnstead NH   122      
603-364 A Gilmanton Iron Works NH GLTNNHXARP0  122      
603-364 0 Gilmanton Iron Works NH   122      
603-776 A Barnstead NH BRNSNHXARP0  122      
603-776 0 Barnstead NH   122      
603-859 A New Durham NH NWDRNHXARP0  122      
603-859 0 New Durham NH   122      
603-859 2 New Durham NH   122      
603-859 4 New Durham NH   122      
603-859 9 New Durham NH   122      
603-875 A Alton NH ALTNNHXARP0  122      
603-875 0 Alton NH   122      
603-875 2 Alton NH   122      
603-875 3 Alton NH   122      
603-875 5 Alton NH   122      
603-875 6 Alton NH   122      
603-875 7 Alton NH   122      
603-875 9 Alton NH   122      

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

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