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.

Washington Zone 1, DC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
771-213 1 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-11-09   
771-213 2 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-11-09   
771-213 3 VINNVACBDS0  850D ONVOY, LLC - DC 236   2022-09-11   
771-213 4 VINNVACBDS0  850D ONVOY, LLC - DC 236   2022-09-11   
771-213 5 VINNVACBDS0  850D ONVOY, LLC - DC 236   2022-09-11   
771-213 6 VINNVACBDS0  850D ONVOY, LLC - DC 236   2022-09-11   
771-213 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-08-20   
771-213 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-08-20   
771-213 9 BTVLMD12CMA  5562 METROPCS, INC. 236   2022-08-20   
771-214 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-214 0 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 1 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 2 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 3 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 4 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 5 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 6 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 7 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 8 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 9 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-215 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-215 0 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-10-22   
771-215 1 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-10-21   
771-215 2 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-10-21   
771-215 3 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-10-21   
771-215 4 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-10-21   
771-215 5 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-10-27   
771-215 6 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-10-22   
771-215 7 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-10-22   
771-215 8 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-10-22   
771-215 9 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-10-22   
771-216 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
771-216 0 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-11-18   
771-216 1 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-11-18   
771-216 2 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-11-18   
771-216 3 WASHDC12DS6  275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236   2023-09-08   
771-216 4 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-08-30   
771-216 5 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-08-30   
771-216 6 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-08-30   
771-216 7 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-08-30   
771-216 8 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-09-08   
771-216 9 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-09-08   
771-217 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
771-217 0 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-26   
771-217 1 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-26   
771-217 2 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-26   
771-217 3 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-26   
771-217 4 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2022-11-26   
771-217 5 WASHDC12DS6  275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236   2022-11-26   
771-217 6 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-25   
771-217 7 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-25   
771-217 8 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-25   
771-217 9 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-25   
771-218 A VINNVACBDS0  850D ONVOY, LLC - DC 236      
771-218 0 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-01-02   
771-218 1 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-01-02   
771-218 2 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-01-02   
771-218 3 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-01-02   
771-218 4 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-01-02   
771-218 5 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-01-02   
771-218 6 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-01-02   
771-218 7 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-01-02   
771-218 8 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-01-02   
771-218 9 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-01-02   
771-219 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
771-219 0 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-01-03   
771-219 1 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-01-03   
771-219 2 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-01-03   
771-219 3 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-01-03   
771-219 4 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 5 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 6 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 7 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 8 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 9 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-220 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
771-220 0 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2023-03-10   
771-220 1 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-03-17   
771-220 2 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-03-11   
771-220 3 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-03-11   
771-220 4 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-03-11   
771-220 5 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-03-11   
771-220 6 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-03-11   
771-220 7 VINNVACBDS0  850D ONVOY, LLC - DC 236   2023-03-11   
771-220 8 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-03-17   
771-220 9 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-03-17   
771-221 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-221 0 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-11-23   
771-221 1 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 2 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 3 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 4 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 5 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   
771-221 6 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-03-05   
771-221 7 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-03-05   
771-221 8 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-03-05   
771-221 9 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-03-05   
771-222 A WASHDC12KMD  145J TERRA NOVA TELECOM INC. 236      
771-222 0 WASHDC127MD  073H TELNYX LLC 236   2022-07-22   
771-222 1 WASHDC127MD  073H TELNYX LLC 236   2022-07-22   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.