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: 1632 RESERVATION TEL. COOP.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
701-848 9 Spencer ND   638      
701-862 A Parshall ND PRSHNDXADS0  638      
701-872 A Beach ND   638      
701-872 0 Beach ND   638      
701-872 1 Beach ND   638      
701-872 2 Beach ND   638      
701-872 3 Beach ND   638      
701-872 4 Beach ND   638      
701-872 5 Beach ND   638      
701-872 7 Beach ND   638      
701-872 8 Beach ND   638      
701-872 9 Beach ND   638      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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