Local Calling Guide

Area code/prefix search

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NPA: 771 [Rate centres in NPA 771] [Dial plan for NPA 771]

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
771-203 A Washington Zone 1 DC WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
771-203 0 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2022-04-06   
771-203 1 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2022-10-25   
771-203 2 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2022-04-06   
771-203 3 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2022-04-06   
771-203 4 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2022-04-06   
771-203 5 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2022-04-06   
771-203 6 Washington Zone 1 DC WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2022-04-05   
771-203 7 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2022-04-06   
771-203 8 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2022-04-06   
771-203 9 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2022-04-06   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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