Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Washington Zone 1, DC

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
771-229 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-06-01   
771-229 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-06-01   
771-229 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-06-01   
771-229 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-06-01   
771-229 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-06-01   
771-230 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-230 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-230 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-230 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-230 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-230 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-230 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-230 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-230 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-230 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-230 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-231 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-231 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-231 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-231 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-231 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-231 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-231 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-231 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-231 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-231 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-231 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-232 A WASHDC12X1X  598J FIVE9, INC. 236      
771-232 0 WASHDC12X1X  598J FIVE9, INC. 236   2023-06-30   
771-232 1 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-09-08   
771-232 2 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2023-09-15   
771-232 3 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2023-09-15   
771-232 4 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2023-09-15   
771-232 5 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2023-09-15   
771-232 6 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2023-09-15   
771-232 7 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2023-09-15   
771-232 8 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-09-08   
771-232 9 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-09-08   
771-233 A WASHDC1224Z  490J DISH WIRELESS, LLC 236      
771-233 0 WASHDC1224Z  490J DISH WIRELESS, LLC 236   2023-10-31   
771-233 1 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-08-31   
771-233 2 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-10-16   
771-233 3 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-10-16   
771-233 4 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-10-16   
771-233 5 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-10-16   
771-233 6 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-10-16   
771-233 7 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-10-16   
771-233 8 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-10-16   
771-233 9 WASHDC1224Z  490J DISH WIRELESS, LLC 236   2023-08-04   
771-234 A OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-234 0 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-234 1 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-234 2 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-234 3 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-234 4 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-234 5 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-234 6 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-234 7 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-234 8 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-234 9 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-235 A OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-235 0 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-235 1 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-235 2 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-235 3 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-235 4 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-235 5 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-235 6 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-235 7 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-235 8 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-235 9 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-236 A OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-236 0 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-236 1 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-236 2 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-236 3 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-236 4 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-236 5 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-236 6 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-236 7 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-236 8 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-236 9 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-237 A OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-237 0 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-237 1 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-237 2 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-237 3 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-237 4 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-237 5 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-237 6 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-237 7 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-237 8 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-237 9 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-238 A OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-238 0 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-238 1 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-238 2 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-238 3 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-238 4 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   
771-238 5 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2024-01-08   

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

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