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: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

<< 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 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-803 4 Cumberland MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-803 5 Cumberland MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-803 6 Cumberland MD FRDRMDFRXAX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 240      
240-803 7 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
240-803 8 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
240-803 9 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
240-804 A Tompkinsville MD   876D ONVOY, LLC - MD 236      
240-804 2 Tompkinsville MD   145J TERRA NOVA TELECOM INC. 236      
240-804 3 Tompkinsville MD   876D ONVOY, LLC - MD 236      
240-804 5 Tompkinsville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-804 7 Tompkinsville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-804 8 Tompkinsville MD   876D ONVOY, LLC - MD 236      
240-804 9 Tompkinsville MD   876D ONVOY, LLC - MD 236      
240-805 A Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-805 0 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-805 1 Gaithersburg MD CHCHMDBE6MD  4716 PAETEC COMMUNICATIONS, INC. - MD 236      
240-805 2 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-805 3 Gaithersburg MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-805 4 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-805 5 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
240-805 6 Gaithersburg MD WASHDC125MD  197D VONAGE AMERICA LLC 236      
240-805 7 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-805 8 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-805 9 Gaithersburg MD WASHDC126MD  964H BARR TELL USA, INC. 236      
240-806 A Indian Head MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-806 0 Indian Head MD   876D ONVOY, LLC - MD 236      
240-806 1 Indian Head MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-806 2 Indian Head MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-806 3 Indian Head MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-806 4 Indian Head MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
240-806 5 Indian Head MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
240-806 6 Indian Head MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
240-806 7 Indian Head MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-806 8 Indian Head MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-806 9 Indian Head MD WASHDC127MD  073H TELNYX LLC 236      
240-807 A Cumberland MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
240-807 0 Cumberland MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
240-807 1 Cumberland MD FRDRMDFRKMD  5562 METROPCS, INC. 240      
240-807 2 Cumberland MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-807 3 Cumberland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-807 4 Cumberland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-807 5 Cumberland MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240      
240-807 6 Cumberland MD FRDRMDFRKMD  5562 METROPCS, INC. 240      
240-807 7 Cumberland MD FRDRMDFRKMD  5562 METROPCS, INC. 240      
240-807 8 Cumberland MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-807 9 Cumberland MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-808 A Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-808 0 Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-808 1 Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-808 2 Leonardtown MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-808 3 Leonardtown MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-808 4 Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-808 5 Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-808 6 Leonardtown MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-808 7 Leonardtown MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-808 8 Leonardtown MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-808 9 Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-809 A Smithsburg MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-809 0 Smithsburg MD HGTWMD53EMD  516J TON80 COMMUNICATIONS, LLC 240      
240-809 1 Smithsburg MD HGTWMD539MD  939H COMMIO, LLC 240      
240-809 2 Smithsburg MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-809 3 Smithsburg MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-809 4 Smithsburg MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-809 5 Smithsburg MD HGTWMD539MD  939H COMMIO, LLC 240      
240-809 6 Smithsburg MD HGTWMD539MD  939H COMMIO, LLC 240      
240-809 7 Smithsburg MD HGTWMD539MD  939H COMMIO, LLC 240      
240-809 8 Smithsburg MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240      
240-809 9 Smithsburg MD HGTWMD539MD  939H COMMIO, LLC 240      
240-810 A Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-810 0 Washington Zone 10 MD   515J IP HORIZON LLC 236      
240-810 1 Washington Zone 10 MD   515J IP HORIZON LLC 236      
240-810 2 Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-810 3 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-810 4 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-810 5 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-810 6 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-810 7 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-810 8 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-810 9 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-812 A Poolesville MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      
240-812 1 Poolesville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-812 2 Poolesville MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-812 3 Poolesville MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      
240-812 4 Poolesville MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-812 5 Poolesville MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
240-812 6 Poolesville MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-812 7 Poolesville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-812 8 Poolesville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-812 9 Poolesville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-813 A Gaithersburg MD HRNDVACKBMD  5978 BROADVIEW NETWORKS OF VIRGINIA, INC. - VA 236      
240-813 0 Gaithersburg MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-813 1 Gaithersburg MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-813 2 Gaithersburg MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-813 3 Gaithersburg MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-813 4 Gaithersburg MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-813 5 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-813 6 Gaithersburg MD HRNDVACKBMD  5978 BROADVIEW NETWORKS OF VIRGINIA, INC. - VA 236      
240-813 7 Gaithersburg MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-813 8 Gaithersburg MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-813 9 Gaithersburg MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      

<< 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 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.