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 |
240-453
| 9 |
Washington Zone 10 |
MD |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-454
| A |
Gaithersburg |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
240-454
| 0 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2008-12-15 |
|
240-454
| 1 |
Gaithersburg |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2010-06-15 |
|
240-454
| 2 |
Gaithersburg |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2011-02-19 |
|
240-454
| 3 |
Gaithersburg |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-07 |
|
240-454
| 4 |
Gaithersburg |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2011-04-01 |
|
240-454
| 5 |
Gaithersburg |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-07 |
|
240-454
| 6 |
Gaithersburg |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2006-12-21 |
|
240-454
| 7 |
Gaithersburg |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2005-10-05 |
|
240-454
| 8 |
Gaithersburg |
MD |
WASHDCCZDS1 |
4773 XO MARYLAND, LLC |
236 |
|
2006-08-12 |
|
240-454
| 9 |
Gaithersburg |
MD |
WASHDCCZDS1 |
4773 XO MARYLAND, LLC |
236 |
|
2006-08-12 |
|
240-455
| A |
Washington Zone 5 |
MD |
STNGVA08AMD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
240-455
| 0 |
Washington Zone 5 |
MD |
STNGVA08AMD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
240-455
| 1 |
Washington Zone 5 |
MD |
STNGVA08AMD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
240-455
| 2 |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2004-10-31 |
|
240-455
| 3 |
Washington Zone 5 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-01-07 |
|
240-455
| 4 |
Washington Zone 5 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2003-01-12 |
|
240-455
| 5 |
Washington Zone 5 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-01-07 |
|
240-455
| 6 |
Washington Zone 5 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2007-06-21 |
|
240-455
| 7 |
Washington Zone 5 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2007-06-21 |
|
240-455
| 8 |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2005-08-12 |
|
240-455
| 9 |
Washington Zone 5 |
MD |
STNGVA08AMD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
240-456
| A |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-456
| 0 |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-456
| 1 |
Laurel |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2008-10-05 |
|
240-456
| 2 |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-456
| 3 |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-456
| 4 |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-456
| 5 |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-456
| 6 |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-456
| 7 |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-456
| 8 |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-456
| 9 |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-457
| A |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
|
|
240-457
| 0 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2008-11-14 |
|
240-457
| 1 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2010-06-12 |
|
240-457
| 2 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2011-02-05 |
|
240-457
| 3 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2011-06-24 |
|
240-457
| 4 |
Frederick |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2011-06-20 |
|
240-457
| 5 |
Frederick |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2011-10-11 |
|
240-457
| 6 |
Frederick |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2011-10-11 |
|
240-457
| 7 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2009-09-04 |
|
240-457
| 8 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2011-09-25 |
|
240-457
| 9 |
Frederick |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2009-02-09 |
|
240-458
| A |
Waldorf |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
240-458
| 0 |
Waldorf |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2014-07-17 |
|
240-458
| 1 |
Waldorf |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-01-11 |
|
240-458
| 2 |
Waldorf |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-03-26 |
|
240-458
| 3 |
Waldorf |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-03-26 |
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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