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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-685
| 3 |
Brandywine |
MD |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
| 240-685
| 4 |
Brandywine |
MD |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
| 240-685
| 5 |
Brandywine |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2024-03-07 |
|
| 240-685
| 6 |
Brandywine |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2013-06-16 |
|
| 240-685
| 7 |
Brandywine |
MD |
WASHDCCZDS1 |
4773 XO MARYLAND, LLC |
236 |
|
2013-05-29 |
|
| 240-685
| 8 |
Brandywine |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2010-08-15 |
|
| 240-685
| 9 |
Brandywine |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2012-10-06 |
|
| 240-686
| A |
Gaithersburg |
MD |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 240-686
| 0 |
Gaithersburg |
MD |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 240-686
| 1 |
Gaithersburg |
MD |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 240-686
| 2 |
Gaithersburg |
MD |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 240-686
| 3 |
Gaithersburg |
MD |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 240-686
| 4 |
Gaithersburg |
MD |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 240-686
| 5 |
Gaithersburg |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-08-12 |
|
| 240-686
| 6 |
Gaithersburg |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2014-06-20 |
|
| 240-686
| 7 |
Gaithersburg |
MD |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 240-686
| 8 |
Gaithersburg |
MD |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2007-07-28 |
|
| 240-686
| 9 |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2014-09-19 |
|
| 240-687
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-688
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-688
| 0 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-08-05 |
|
| 240-688
| 1 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-08-05 |
|
| 240-688
| 2 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-09-13 |
|
| 240-688
| 3 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-09-12 |
|
| 240-688
| 4 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-09-12 |
|
| 240-688
| 5 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-10-08 |
|
| 240-688
| 6 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-11-02 |
|
| 240-688
| 7 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-10-02 |
|
| 240-688
| 8 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-10-02 |
|
| 240-688
| 9 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-10-02 |
|
| 240-689
| A |
Washington Zone 15 |
MD |
VINNVACBX0X |
425J CSC WIRELESS, LLC |
236 |
|
|
|
| 240-689
| 0 |
Washington Zone 15 |
MD |
WASHDC125MD |
197D VONAGE AMERICA LLC |
236 |
|
2020-05-20 |
|
| 240-689
| 1 |
Washington Zone 15 |
MD |
WASHDC125MD |
197D VONAGE AMERICA LLC |
236 |
|
2020-05-20 |
|
| 240-689
| 2 |
Washington Zone 15 |
MD |
VINNVACBX0X |
425J CSC WIRELESS, LLC |
236 |
|
2019-07-19 |
|
| 240-689
| 3 |
Washington Zone 15 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-12-23 |
|
| 240-689
| 4 |
Washington Zone 15 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-12-23 |
|
| 240-689
| 5 |
Washington Zone 15 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-12-23 |
|
| 240-689
| 6 |
Washington Zone 15 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-16 |
|
| 240-689
| 7 |
Washington Zone 15 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2021-12-13 |
|
| 240-689
| 8 |
Washington Zone 15 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2021-12-13 |
|
| 240-689
| 9 |
Washington Zone 15 |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2021-10-06 |
|
| 240-690
| A |
Gaithersburg |
MD |
WASHDCDTDS1 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
| 240-690
| 0 |
Gaithersburg |
MD |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2017-03-14 |
|
| 240-690
| 1 |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2017-01-25 |
|
| 240-690
| 2 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2018-06-14 |
|
| 240-690
| 3 |
Gaithersburg |
MD |
WASHDCDTDS1 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2017-01-09 |
|
| 240-690
| 4 |
Gaithersburg |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2017-03-10 |
|
| 240-690
| 5 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2017-12-15 |
|
| 240-690
| 6 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2017-12-15 |
|
| 240-690
| 7 |
Gaithersburg |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2019-05-27 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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