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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-761
| 7 |
Laurel |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-09-03 |
|
| 240-761
| 8 |
Laurel |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-09-03 |
|
| 240-761
| 9 |
Laurel |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-09-03 |
|
| 240-762
| A |
Washington Zone 2 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-762
| 0 |
Washington Zone 2 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-10-21 |
|
| 240-762
| 1 |
Washington Zone 2 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-10-21 |
|
| 240-762
| 2 |
Washington Zone 2 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2014-09-01 |
|
| 240-762
| 3 |
Washington Zone 2 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2015-05-05 |
|
| 240-762
| 4 |
Washington Zone 2 |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2014-07-18 |
|
| 240-762
| 5 |
Washington Zone 2 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
2013-09-04 |
|
| 240-762
| 6 |
Washington Zone 2 |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2014-07-04 |
|
| 240-762
| 7 |
Washington Zone 2 |
MD |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2013-05-08 |
|
| 240-762
| 8 |
Washington Zone 2 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2013-04-06 |
|
| 240-762
| 9 |
Washington Zone 2 |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2014-03-23 |
|
| 240-763
| A |
Washington Zone 15 (Baltimore LATA) |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
|
|
| 240-763
| 0 |
Washington Zone 15 (Baltimore LATA) |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-11-30 |
|
| 240-763
| 1 |
Washington Zone 15 (Baltimore LATA) |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-04-28 |
|
| 240-763
| 2 |
Washington Zone 15 (Baltimore LATA) |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-04-28 |
|
| 240-763
| 3 |
Washington Zone 15 (Baltimore LATA) |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-03-25 |
|
| 240-763
| 4 |
Washington Zone 15 (Baltimore LATA) |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-03-25 |
|
| 240-763
| 5 |
Washington Zone 15 (Baltimore LATA) |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2019-03-07 |
|
| 240-763
| 6 |
Washington Zone 15 (Baltimore LATA) |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2019-06-19 |
|
| 240-763
| 7 |
Washington Zone 15 (Baltimore LATA) |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2019-02-19 |
|
| 240-763
| 8 |
Washington Zone 15 (Baltimore LATA) |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2019-02-19 |
|
| 240-763
| 9 |
Washington Zone 15 (Baltimore LATA) |
MD |
|
073H TELNYX LLC |
238 |
|
2017-04-26 |
|
| 240-764
| A |
Washington Zone 4 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-764
| 0 |
Washington Zone 4 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-764
| 1 |
Washington Zone 4 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-764
| 2 |
Washington Zone 4 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2005-08-15 |
|
| 240-764
| 3 |
Washington Zone 4 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2005-08-15 |
|
| 240-764
| 4 |
Washington Zone 4 |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2003-01-12 |
|
| 240-764
| 5 |
Washington Zone 4 |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2007-09-19 |
|
| 240-764
| 6 |
Washington Zone 4 |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2007-09-19 |
|
| 240-764
| 7 |
Washington Zone 4 |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2007-09-19 |
|
| 240-764
| 8 |
Washington Zone 4 |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2007-09-19 |
|
| 240-764
| 9 |
Washington Zone 4 |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2013-05-20 |
|
| 240-765
| A |
Washington Zone 5 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-765
| 0 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-765
| 1 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-765
| 2 |
Washington Zone 5 |
MD |
|
5562 METROPCS, INC. |
236 |
|
2004-02-17 |
|
| 240-765
| 3 |
Washington Zone 5 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-03-29 |
|
| 240-765
| 4 |
Washington Zone 5 |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-11-11 |
|
| 240-765
| 5 |
Washington Zone 5 |
MD |
|
5562 METROPCS, INC. |
236 |
|
2004-09-13 |
|
| 240-765
| 6 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-765
| 7 |
Washington Zone 5 |
MD |
|
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2008-10-10 |
|
| 240-765
| 8 |
Washington Zone 5 |
MD |
|
5562 METROPCS, INC. |
236 |
|
2005-02-20 |
|
| 240-765
| 9 |
Washington Zone 5 |
MD |
|
5562 METROPCS, INC. |
236 |
|
2005-02-20 |
|
| 240-766
| A |
Washington Zone 6 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-766
| 0 |
Washington Zone 6 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-766
| 1 |
Washington Zone 6 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
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 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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