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 |
| 240-386
| 7 |
Washington Zone 10 |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-04-29 |
|
| 240-386
| 8 |
Washington Zone 10 |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2009-06-13 |
|
| 240-386
| 9 |
Washington Zone 10 |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-09-09 |
|
| 240-387
| A |
Washington Zone 13 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 240-387
| 0 |
Washington Zone 13 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-387
| 1 |
Washington Zone 13 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-387
| 2 |
Washington Zone 13 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-387
| 3 |
Washington Zone 13 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-387
| 4 |
Washington Zone 13 |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-387
| 5 |
Washington Zone 13 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2024-04-19 |
|
| 240-387
| 6 |
Washington Zone 13 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2007-02-22 |
|
| 240-387
| 7 |
Washington Zone 13 |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2007-02-22 |
|
| 240-387
| 8 |
Washington Zone 13 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2024-04-19 |
|
| 240-387
| 9 |
Washington Zone 13 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2024-04-21 |
|
| 240-388
| A |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 240-388
| 0 |
Gaithersburg |
MD |
|
5562 METROPCS, INC. |
236 |
|
2003-05-14 |
|
| 240-388
| 1 |
Gaithersburg |
MD |
|
5562 METROPCS, INC. |
236 |
|
2003-05-14 |
|
| 240-388
| 2 |
Gaithersburg |
MD |
|
5562 METROPCS, INC. |
236 |
|
2003-08-17 |
|
| 240-388
| 3 |
Gaithersburg |
MD |
|
5562 METROPCS, INC. |
236 |
|
2004-05-13 |
|
| 240-388
| 4 |
Gaithersburg |
MD |
|
5562 METROPCS, INC. |
236 |
|
2004-05-13 |
|
| 240-388
| 5 |
Gaithersburg |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2007-12-03 |
|
| 240-388
| 6 |
Gaithersburg |
MD |
|
5562 METROPCS, INC. |
236 |
|
2002-12-24 |
|
| 240-388
| 7 |
Gaithersburg |
MD |
|
5562 METROPCS, INC. |
236 |
|
2003-02-26 |
|
| 240-388
| 8 |
Gaithersburg |
MD |
|
5562 METROPCS, INC. |
236 |
|
2003-02-26 |
|
| 240-388
| 9 |
Gaithersburg |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2004-11-21 |
|
| 240-389
| A |
Ashton |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 240-389
| 0 |
Ashton |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-03-12 |
|
| 240-389
| 1 |
Ashton |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2008-02-29 |
|
| 240-389
| 2 |
Ashton |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-01-21 |
|
| 240-389
| 3 |
Ashton |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-01-21 |
|
| 240-389
| 4 |
Ashton |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-01-21 |
|
| 240-389
| 5 |
Ashton |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-09-03 |
|
| 240-389
| 6 |
Ashton |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-389
| 7 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2010-09-24 |
|
| 240-389
| 8 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2010-09-24 |
|
| 240-389
| 9 |
Ashton |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-08-15 |
|
| 240-390
| A |
Ashton |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 240-390
| 0 |
Ashton |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-390
| 1 |
Ashton |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-390
| 2 |
Ashton |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2006-08-12 |
|
| 240-390
| 3 |
Ashton |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2017-08-17 |
|
| 240-390
| 4 |
Ashton |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-390
| 5 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-10-09 |
|
| 240-390
| 6 |
Ashton |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-02-26 |
|
| 240-390
| 7 |
Ashton |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-10-09 |
|
| 240-390
| 8 |
Ashton |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-390
| 9 |
Ashton |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-391
| A |
Washington Zone 13 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
|
|
| 240-391
| 0 |
Washington Zone 13 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2024-10-21 |
|
| 240-391
| 1 |
Washington Zone 13 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2024-10-21 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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