Local Calling Guide

Area code/prefix search

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

NXX: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
771-230 A Washington Zone 1 DC WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-230 0 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-230 1 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-230 2 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-230 3 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-230 4 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-230 5 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-230 6 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-230 7 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-230 8 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-230 9 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      

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

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