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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-245
| 2 |
Washington Zone 14 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2012-10-07 |
|
| 240-245
| 3 |
Washington Zone 14 |
MD |
|
318J COMCAST IP PHONE LLC |
236 |
|
2007-05-02 |
|
| 240-245
| 4 |
Washington Zone 14 |
MD |
|
318J COMCAST IP PHONE LLC |
236 |
|
2006-10-21 |
|
| 240-245
| 5 |
Washington Zone 14 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-08-19 |
|
| 240-245
| 6 |
Washington Zone 14 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-08-19 |
|
| 240-245
| 7 |
Washington Zone 14 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-20 |
|
| 240-245
| 8 |
Washington Zone 14 |
MD |
|
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-245
| 9 |
Washington Zone 14 |
MD |
|
082H LOCAL ACCESS LLC - MD |
236 |
|
2013-09-06 |
|
| 240-246
| A |
Gaithersburg |
MD |
LNHMMDADGT0 |
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-246
| 0 |
Gaithersburg |
MD |
|
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-246
| 1 |
Gaithersburg |
MD |
|
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-246
| 2 |
Gaithersburg |
MD |
|
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-246
| 3 |
Gaithersburg |
MD |
|
6664 SPRINT SPECTRUM L.P. |
236 |
|
2005-07-02 |
|
| 240-246
| 4 |
Gaithersburg |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2005-01-03 |
|
| 240-246
| 5 |
Gaithersburg |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2005-01-03 |
|
| 240-246
| 6 |
Gaithersburg |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2005-01-03 |
|
| 240-246
| 7 |
Gaithersburg |
MD |
|
318J COMCAST IP PHONE LLC |
236 |
|
2005-07-25 |
|
| 240-246
| 8 |
Gaithersburg |
MD |
|
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-246
| 9 |
Gaithersburg |
MD |
|
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-247
| A |
Washington Zone 3 |
MD |
WASHDCRKDS3 |
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-247
| 0 |
Washington Zone 3 |
MD |
|
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-247
| 1 |
Washington Zone 3 |
MD |
|
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-247
| 2 |
Washington Zone 3 |
MD |
|
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-247
| 3 |
Washington Zone 3 |
MD |
|
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-247
| 4 |
Washington Zone 3 |
MD |
|
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-247
| 5 |
Washington Zone 3 |
MD |
|
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-247
| 6 |
Washington Zone 3 |
MD |
|
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-247
| 7 |
Washington Zone 3 |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2003-11-04 |
|
| 240-247
| 8 |
Washington Zone 3 |
MD |
|
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-247
| 9 |
Washington Zone 3 |
MD |
|
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-248
| A |
Ridge |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
| 240-248
| 9 |
Ridge |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
| 240-249
| A |
Mechanicsville |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
| 240-249
| 0 |
Mechanicsville |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2006-03-03 |
|
| 240-249
| 1 |
Mechanicsville |
MD |
|
2589 US LEC OF MARYLAND, INC. |
236 |
|
2004-02-04 |
|
| 240-249
| 2 |
Mechanicsville |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-06-25 |
|
| 240-249
| 3 |
Mechanicsville |
MD |
|
318J COMCAST IP PHONE LLC |
236 |
|
2005-07-25 |
|
| 240-249
| 4 |
Mechanicsville |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-03-14 |
|
| 240-249
| 5 |
Mechanicsville |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-10-17 |
|
| 240-249
| 6 |
Mechanicsville |
MD |
|
228C IDT AMERICA CORP - MD |
236 |
|
2007-09-12 |
|
| 240-249
| 7 |
Mechanicsville |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2016-03-14 |
|
| 240-249
| 8 |
Mechanicsville |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2008-08-13 |
|
| 240-249
| 9 |
Mechanicsville |
MD |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
| 240-250
| A |
Brandywine |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
| 240-251
| A |
Highfield |
MD |
FRDRMDFRPS0 |
2593 CORE COMMUNICATIONS, INC. - MD |
240 |
|
|
|
| 240-252
| A |
Gaithersburg |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-252
| 0 |
Gaithersburg |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2004-03-03 |
|
| 240-252
| 1 |
Gaithersburg |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-03-18 |
|
| 240-252
| 2 |
Gaithersburg |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2011-02-03 |
|
| 240-252
| 3 |
Gaithersburg |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-03-18 |
|
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Last updated: Sun, 04 Apr 2021 19:28:27 UTC
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