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.

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

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
771-219 1 Washington Zone 1 DC OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-01-03   
771-219 2 Washington Zone 1 DC OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-01-03   
771-219 3 Washington Zone 1 DC OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-01-03   
771-219 4 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 5 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 6 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 7 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 8 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 9 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-220 A Washington Zone 1 DC WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
771-220 0 Washington Zone 1 DC WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2023-03-10   
771-220 1 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-03-17   
771-220 2 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-03-11   
771-220 3 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-03-11   
771-220 4 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-03-11   
771-220 5 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-03-11   
771-220 6 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-03-11   
771-220 7 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-03-11   
771-220 8 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-03-17   
771-220 9 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-03-17   
771-221 A Washington Zone 1 DC WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-221 0 Washington Zone 1 DC WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-11-23   
771-221 1 Washington Zone 1 DC WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 2 Washington Zone 1 DC WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 3 Washington Zone 1 DC WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 4 Washington Zone 1 DC WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 5 Washington Zone 1 DC WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 6 Washington Zone 1 DC OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-03-05   
771-221 7 Washington Zone 1 DC OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-03-05   
771-221 8 Washington Zone 1 DC OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-03-05   
771-221 9 Washington Zone 1 DC OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-03-05   
771-222 A Washington Zone 1 DC   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
771-222 0 Washington Zone 1 DC WASHDC127MD  073H TELNYX LLC 236   2022-07-22   
771-222 1 Washington Zone 1 DC WASHDC127MD  073H TELNYX LLC 236   2022-07-22   
771-222 2 Washington Zone 1 DC WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2025-01-06   
771-222 3 Washington Zone 1 DC WASHDC127MD  073H TELNYX LLC 236   2022-07-22   
771-222 4 Washington Zone 1 DC WASHDC127MD  073H TELNYX LLC 236   2022-07-22   
771-222 5 Washington Zone 1 DC WASHDC127MD  073H TELNYX LLC 236   2022-07-22   
771-222 6 Washington Zone 1 DC WASHDC127MD  073H TELNYX LLC 236   2022-07-22   
771-222 7 Washington Zone 1 DC WASHDC127MD  073H TELNYX LLC 236   2022-07-22   
771-222 8 Washington Zone 1 DC WASHDC127MD  073H TELNYX LLC 236   2022-07-22   
771-222 9 Washington Zone 1 DC WASHDC127MD  073H TELNYX LLC 236   2022-07-22   
771-223 A Washington Zone 1 DC WASHDC12UMD  616J LEAP TELECOM, LLC 236      
771-223 0 Washington Zone 1 DC WASHDC12UMD  616J LEAP TELECOM, LLC 236   2023-04-20   
771-223 1 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-06-11   
771-223 2 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-06-11   
771-223 3 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-06-11   
771-223 4 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-06-11   
771-223 5 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-06-11   
771-223 6 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-06-11   
771-223 7 Washington Zone 1 DC WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-10-16   
771-223 8 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-09-08   
771-223 9 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-09-08   
771-224 A Washington Zone 1 DC WASHDC12X0X  598J FIVE9, INC. 236      
771-224 0 Washington Zone 1 DC WASHDC12X0X  598J FIVE9, INC. 236   2023-04-29   
771-224 1 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-07-02   
771-224 2 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-07-02   
771-224 3 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-07-02   
771-224 4 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-07-02   
771-224 5 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-07-02   
771-224 6 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-07-02   
771-224 7 Washington Zone 1 DC BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-07-02   
771-224 8 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-09-08   
771-224 9 Washington Zone 1 DC VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-09-08   
771-225 A Washington Zone 1 DC WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-225 0 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-225 1 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-225 2 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-225 3 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-225 4 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-225 5 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-225 6 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-225 7 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-225 8 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-225 9 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-226 A Washington Zone 1 DC WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-226 0 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-226 1 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-226 2 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-226 3 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-226 4 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-226 5 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-226 6 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-226 7 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-226 8 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-226 9 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-227 A Washington Zone 1 DC WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-227 0 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-227 1 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-227 2 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-227 3 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-227 4 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-227 5 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-227 6 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-227 7 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-227 8 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-227 9 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-228 A Washington Zone 1 DC WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-228 0 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   
771-228 1 Washington Zone 1 DC   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-05-28   

<< 1 2 3 4 5 6 7 8 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.