Local Calling Guide
Area code/prefix search
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 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-448
| 1 |
Waldorf |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-08-05 |
|
| 240-448
| 2 |
Waldorf |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2014-11-17 |
|
| 240-448
| 3 |
Waldorf |
MD |
|
318J COMCAST IP PHONE LLC |
236 |
|
2014-05-10 |
|
| 240-448
| 4 |
Waldorf |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-08-05 |
|
| 240-448
| 5 |
Waldorf |
MD |
|
318J COMCAST IP PHONE LLC |
236 |
|
2015-10-20 |
|
| 240-448
| 6 |
Waldorf |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-03-11 |
|
| 240-448
| 7 |
Waldorf |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-03-11 |
|
| 240-448
| 8 |
Waldorf |
MD |
|
6664 SPRINT SPECTRUM L.P. |
236 |
|
2011-11-08 |
|
| 240-448
| 9 |
Waldorf |
MD |
|
6664 SPRINT SPECTRUM L.P. |
236 |
|
2011-11-08 |
|
| 240-449
| A |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 240-449
| 0 |
Gaithersburg |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2003-11-24 |
|
| 240-449
| 1 |
Gaithersburg |
MD |
|
2697 CTC COMMUNICATIONS CORP. - MD |
236 |
|
2005-09-03 |
|
| 240-449
| 2 |
Gaithersburg |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2003-04-23 |
|
| 240-449
| 3 |
Gaithersburg |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2006-05-07 |
|
| 240-449
| 4 |
Gaithersburg |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-07 |
|
| 240-449
| 5 |
Gaithersburg |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2005-03-24 |
|
| 240-449
| 6 |
Gaithersburg |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2005-03-24 |
|
| 240-449
| 7 |
Gaithersburg |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2005-03-24 |
|
| 240-449
| 8 |
Gaithersburg |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2006-05-07 |
|
| 240-449
| 9 |
Gaithersburg |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 240-450
| A |
Washington Zone 3 |
MD |
HRNDVA13DS0 |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
| 240-450
| 0 |
Washington Zone 3 |
MD |
|
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
| 240-450
| 1 |
Washington Zone 3 |
MD |
|
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
| 240-450
| 2 |
Washington Zone 3 |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-04-03 |
|
| 240-450
| 3 |
Washington Zone 3 |
MD |
|
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
| 240-450
| 4 |
Washington Zone 3 |
MD |
|
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
| 240-450
| 5 |
Washington Zone 3 |
MD |
|
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
| 240-450
| 6 |
Washington Zone 3 |
MD |
|
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
| 240-450
| 7 |
Washington Zone 3 |
MD |
|
197D VONAGE NETWORK INC. |
236 |
|
2020-05-20 |
|
| 240-450
| 8 |
Washington Zone 3 |
MD |
|
197D VONAGE NETWORK INC. |
236 |
|
2020-05-20 |
|
| 240-450
| 9 |
Washington Zone 3 |
MD |
|
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
| 240-451
| A |
Thurmont |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
|
|
| 240-451
| 0 |
Thurmont |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2017-07-31 |
|
| 240-451
| 1 |
Thurmont |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2017-07-31 |
|
| 240-451
| 2 |
Thurmont |
MD |
|
7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD |
240 |
|
2018-07-12 |
|
| 240-451
| 3 |
Thurmont |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
240 |
|
2018-06-17 |
|
| 240-451
| 4 |
Thurmont |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
240 |
|
2018-06-17 |
|
| 240-451
| 5 |
Thurmont |
MD |
|
2593 CORE COMMUNICATIONS, INC. - MD |
240 |
|
2018-06-17 |
|
| 240-451
| 6 |
Thurmont |
MD |
|
073H TELNYX LLC |
240 |
|
2017-08-08 |
|
| 240-451
| 7 |
Thurmont |
MD |
|
7575 CENTURYLINK COMMUNICATIONS LLC |
240 |
|
2016-10-28 |
|
| 240-451
| 8 |
Thurmont |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2016-10-02 |
|
| 240-451
| 9 |
Thurmont |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2016-10-02 |
|
| 240-452
| A |
Hagerstown |
MD |
HGTWMDHGGMD |
7849 LUMOS NETWORKS INC. - VA |
240 |
|
|
|
| 240-452
| 0 |
Hagerstown |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2011-06-02 |
|
| 240-452
| 1 |
Hagerstown |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2011-06-02 |
|
| 240-452
| 2 |
Hagerstown |
MD |
|
4098 SPRINT SPECTRUM L.P. - MD |
240 |
|
2011-04-28 |
|
| 240-452
| 3 |
Hagerstown |
MD |
|
7849 LUMOS NETWORKS INC. - VA |
240 |
|
2010-09-12 |
|
| 240-452
| 4 |
Hagerstown |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2011-01-07 |
|
| 240-452
| 5 |
Hagerstown |
MD |
|
4098 SPRINT SPECTRUM L.P. - MD |
240 |
|
2011-04-28 |
|
| 240-452
| 6 |
Hagerstown |
MD |
|
4098 SPRINT SPECTRUM L.P. - MD |
240 |
|
2011-04-28 |
|
<< 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 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 >>
Last updated: Sun, 04 Apr 2021 19:28:27 UTC
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