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 |
| 240-619
| 6 |
Washington Zone 5 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-11-03 |
|
| 240-619
| 7 |
Washington Zone 5 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2007-07-29 |
|
| 240-619
| 8 |
Washington Zone 5 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-10-17 |
|
| 240-619
| 9 |
Washington Zone 5 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-06-05 |
|
| 240-620
| A |
Washington Zone 10 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-620
| 0 |
Washington Zone 10 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-620
| 1 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2003-08-03 |
|
| 240-620
| 2 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2003-07-05 |
|
| 240-620
| 3 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2003-08-19 |
|
| 240-620
| 4 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2003-11-03 |
|
| 240-620
| 5 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2003-11-03 |
|
| 240-620
| 6 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2004-02-17 |
|
| 240-620
| 7 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2004-04-20 |
|
| 240-620
| 8 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2004-06-03 |
|
| 240-620
| 9 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-06-02 |
|
| 240-621
| A |
Washington Zone 11 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
|
|
| 240-621
| 0 |
Washington Zone 11 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-01-27 |
|
| 240-621
| 1 |
Washington Zone 11 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2013-06-16 |
|
| 240-621
| 2 |
Washington Zone 11 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2013-06-16 |
|
| 240-621
| 3 |
Washington Zone 11 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2011-10-23 |
|
| 240-621
| 4 |
Washington Zone 11 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-04-28 |
|
| 240-621
| 5 |
Washington Zone 11 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-04-28 |
|
| 240-621
| 6 |
Washington Zone 11 |
MD |
|
515J IP HORIZON LLC |
236 |
|
2017-07-07 |
|
| 240-621
| 7 |
Washington Zone 11 |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2011-12-10 |
|
| 240-621
| 8 |
Washington Zone 11 |
MD |
|
073H TELNYX LLC |
236 |
|
2017-03-14 |
|
| 240-621
| 9 |
Washington Zone 11 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-24 |
|
| 240-622
| A |
La Plata |
MD |
CHCHMDBEPS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2024-01-16 |
|
| 240-622
| 0 |
La Plata |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-08-02 |
|
| 240-622
| 1 |
La Plata |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-08-02 |
|
| 240-622
| 2 |
La Plata |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-08-02 |
|
| 240-622
| 3 |
La Plata |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2021-07-12 |
|
| 240-622
| 4 |
La Plata |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-03-29 |
|
| 240-622
| 5 |
La Plata |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2021-09-18 |
|
| 240-622
| 6 |
La Plata |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-03-29 |
|
| 240-622
| 7 |
La Plata |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-03-29 |
|
| 240-622
| 8 |
La Plata |
MD |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-21 |
|
| 240-622
| 9 |
La Plata |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2021-09-18 |
|
| 240-623
| A |
Washington Zone 4 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
|
|
| 240-623
| 0 |
Washington Zone 4 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2015-02-05 |
|
| 240-623
| 1 |
Washington Zone 4 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2015-02-05 |
|
| 240-623
| 2 |
Washington Zone 4 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2015-05-15 |
|
| 240-623
| 3 |
Washington Zone 4 |
MD |
|
515J IP HORIZON LLC |
236 |
|
2016-05-31 |
|
| 240-623
| 4 |
Washington Zone 4 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2015-06-30 |
|
| 240-623
| 5 |
Washington Zone 4 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2015-07-30 |
|
| 240-623
| 6 |
Washington Zone 4 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2015-11-01 |
|
| 240-623
| 7 |
Washington Zone 4 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2015-06-27 |
|
| 240-623
| 8 |
Washington Zone 4 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-01-04 |
|
| 240-623
| 9 |
Washington Zone 4 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-01-04 |
|
| 240-624
| A |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 240-624
| 0 |
Washington Zone 13 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-01-15 |
|
<< 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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