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 |
240-838
| 3 |
Washington Zone 5 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-29 |
|
240-838
| 4 |
Washington Zone 5 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-838
| 5 |
Washington Zone 5 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-29 |
|
240-838
| 6 |
Washington Zone 5 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-838
| 7 |
Washington Zone 5 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-29 |
|
240-838
| 8 |
Washington Zone 5 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-08-03 |
|
240-838
| 9 |
Washington Zone 5 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-839
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
240-839
| 0 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2007-03-09 |
|
240-839
| 1 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-03-01 |
|
240-839
| 2 |
Washington Zone 3 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2011-04-02 |
|
240-839
| 3 |
Washington Zone 3 |
MD |
HRNDVACKBMD |
5977 BROADVIEW NETWORKS, INC. - DC |
236 |
|
2014-09-05 |
|
240-839
| 4 |
Washington Zone 3 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2010-06-21 |
|
240-839
| 5 |
Washington Zone 3 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2008-10-05 |
|
240-839
| 6 |
Washington Zone 3 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2014-04-26 |
|
240-839
| 7 |
Washington Zone 3 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2007-08-01 |
|
240-839
| 8 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-11-15 |
|
240-839
| 9 |
Washington Zone 3 |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-10-17 |
|
240-840
| A |
Frederick |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
|
|
240-840
| 0 |
Frederick |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2018-09-20 |
|
240-840
| 1 |
Frederick |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2018-09-25 |
|
240-840
| 2 |
Frederick |
MD |
FRDRMDFRIMD |
551G NUSO, LLC |
240 |
|
2018-11-07 |
|
240-840
| 3 |
Frederick |
MD |
FRDRMDFRIMD |
551G NUSO, LLC |
240 |
|
2018-11-07 |
|
240-840
| 4 |
Frederick |
MD |
FRDRMDFRIMD |
551G NUSO, LLC |
240 |
|
2018-11-07 |
|
240-840
| 5 |
Frederick |
MD |
FRDRMDFRIMD |
551G NUSO, LLC |
240 |
|
2018-11-07 |
|
240-840
| 6 |
Frederick |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2018-10-22 |
|
240-840
| 7 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2019-07-11 |
|
240-840
| 8 |
Frederick |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2018-07-30 |
|
240-840
| 9 |
Frederick |
MD |
FRDRMDFRIMD |
551G NUSO, LLC |
240 |
|
2018-10-14 |
|
240-841
| A |
Laurel (Baltimore LATA) |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
240-841
| 0 |
Laurel (Baltimore LATA) |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
240-841
| 1 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-10-02 |
|
240-841
| 2 |
Laurel (Baltimore LATA) |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
240-841
| 3 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-10-02 |
|
240-841
| 4 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-10-02 |
|
240-841
| 5 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-10-02 |
|
240-841
| 6 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2014-09-01 |
|
240-841
| 7 |
Laurel (Baltimore LATA) |
MD |
PIVLMDPKFMD |
9170 BROADVIEW NETWORKS, INC. - MD |
238 |
|
2010-07-01 |
|
240-841
| 8 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-10-31 |
|
240-841
| 9 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-10-31 |
|
240-842
| A |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
240-842
| 0 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
240-842
| 1 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
240-842
| 2 |
Washington Zone 14 (Baltimore LATA) |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-30 |
|
240-842
| 3 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-12-09 |
|
240-842
| 4 |
Washington Zone 14 (Baltimore LATA) |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-30 |
|
240-842
| 5 |
Washington Zone 14 (Baltimore LATA) |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2012-08-26 |
|
240-842
| 6 |
Washington Zone 14 (Baltimore LATA) |
MD |
CLMAMDJTBMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2016-11-21 |
|
240-842
| 7 |
Washington Zone 14 (Baltimore LATA) |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-30 |
|
240-842
| 8 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
2017-04-26 |
|
<< 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 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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