Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
703-964 A Herndon VA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
703-964 0 Herndon VA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
703-964 1 Herndon VA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
703-964 2 Herndon VA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
703-964 3 Herndon VA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
703-964 4 Herndon VA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
703-964 5 Herndon VA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
703-964 8 Herndon VA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
703-964 9 Herndon VA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
703-986 1 Dale City VA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2003-11-17   
703-988 2 Braddock VA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-11-17   
703-995 A Washington Zone 19 VA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-208 6 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-18   
771-214 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-214 0 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 1 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 4 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 5 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 6 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 7 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 8 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 9 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-215 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-215 1 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-10-21   
771-215 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-10-21   
771-215 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-10-21   
771-215 4 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-10-21   
771-221 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-221 1 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 4 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 5 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-225 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-226 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-227 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-228 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-229 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-230 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-231 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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