Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 875

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-875 A Alton NH ALTNNHXARP0  0049 UNION TEL. CO. 122      
603-875 0 Alton NH   0049 UNION TEL. CO. 122      
603-875 2 Alton NH   0049 UNION TEL. CO. 122      
603-875 3 Alton NH   0049 UNION TEL. CO. 122      
603-875 5 Alton NH   0049 UNION TEL. CO. 122      
603-875 6 Alton NH   0049 UNION TEL. CO. 122      
603-875 7 Alton NH   0049 UNION TEL. CO. 122      
603-875 9 Alton NH   0049 UNION TEL. CO. 122      

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

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