Local Calling Guide
Area code/prefix search
NPA: 301
[Rate centres in NPA 301]
[Dial plan for NPA 301]
<< 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 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
301-241
| 9 |
Highfield |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-02-13 |
|
301-242
| A |
Brandywine |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-242
| 0 |
Brandywine |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2004-03-26 |
|
301-242
| 1 |
Brandywine |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2019-10-13 |
|
301-242
| 2 |
Brandywine |
MD |
CHCHMDBE1MD |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
236 |
|
2015-06-05 |
|
301-242
| 3 |
Brandywine |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-01-15 |
|
301-242
| 4 |
Brandywine |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-03-28 |
|
301-242
| 5 |
Brandywine |
MD |
TYCRVA03AMD |
2589 US LEC OF MARYLAND, INC. |
236 |
|
2003-03-01 |
|
301-242
| 6 |
Brandywine |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-03-28 |
|
301-242
| 7 |
Brandywine |
MD |
WASIDCRG7MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
236 |
|
2014-06-25 |
|
301-242
| 8 |
Brandywine |
MD |
|
515J IP HORIZON LLC |
236 |
|
2016-05-31 |
|
301-242
| 9 |
Brandywine |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-243
| A |
Washington Zone 2 |
MD |
BTHSMDWADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-243
| 0 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2006-08-19 |
|
301-243
| 1 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2006-08-19 |
|
301-243
| 2 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2006-08-19 |
|
301-243
| 3 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2006-08-19 |
|
301-243
| 4 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2006-08-19 |
|
301-243
| 5 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2006-08-19 |
|
301-243
| 6 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2006-08-19 |
|
301-243
| 7 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2006-08-19 |
|
301-243
| 8 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2006-08-19 |
|
301-243
| 9 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2006-08-19 |
|
301-244
| A |
Washington Zone 3 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-244
| 0 |
Washington Zone 3 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2008-11-08 |
|
301-244
| 1 |
Washington Zone 3 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-08 |
|
301-244
| 2 |
Washington Zone 3 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2004-03-26 |
|
301-244
| 3 |
Washington Zone 3 |
MD |
HRNDVACKBMD |
5977 BROADVIEW NETWORKS, INC. - DC |
236 |
|
2011-04-28 |
|
301-244
| 4 |
Washington Zone 3 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2006-02-24 |
|
301-244
| 5 |
Washington Zone 3 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2005-07-20 |
|
301-244
| 6 |
Washington Zone 3 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2006-02-24 |
|
301-244
| 7 |
Washington Zone 3 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2006-02-24 |
|
301-244
| 8 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2008-12-13 |
|
301-244
| 9 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2008-12-13 |
|
301-245
| A |
Bittinger |
MD |
BTNRMDBRRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-245
| 0 |
Bittinger |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2004-03-28 |
|
301-245
| 1 |
Bittinger |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-08-10 |
|
301-245
| 2 |
Bittinger |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2014-07-12 |
|
301-245
| 3 |
Bittinger |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2012-01-22 |
|
301-245
| 4 |
Bittinger |
MD |
BTNRMDBRRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-245
| 5 |
Bittinger |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2016-09-12 |
|
301-245
| 6 |
Bittinger |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2014-10-19 |
|
301-245
| 7 |
Bittinger |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-02-13 |
|
301-245
| 8 |
Bittinger |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2016-09-12 |
|
301-245
| 9 |
Bittinger |
MD |
FRDRMDFRXKX |
508J CENTURYLINK COMMUNICATIONS, LLC |
240 |
|
2016-11-12 |
|
301-246
| A |
Nanjemoy |
MD |
NJMYMDNJRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-246
| 0 |
Nanjemoy |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2008-12-13 |
|
301-246
| 1 |
Nanjemoy |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2004-03-26 |
|
301-246
| 2 |
Nanjemoy |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-02-19 |
|
301-246
| 3 |
Nanjemoy |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-06-02 |
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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