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 |
301-200
| A |
Indian Head |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
|
|
301-200
| 0 |
Indian Head |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2011-07-31 |
|
301-200
| 1 |
Indian Head |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-04-25 |
|
301-200
| 2 |
Indian Head |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-09-02 |
|
301-200
| 3 |
Indian Head |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2011-10-03 |
|
301-200
| 4 |
Indian Head |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2012-04-21 |
|
301-200
| 5 |
Indian Head |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-06-03 |
|
301-200
| 6 |
Indian Head |
MD |
CHCHMDBE1MD |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
236 |
|
2015-06-20 |
|
301-200
| 7 |
Indian Head |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-09-06 |
|
301-200
| 8 |
Indian Head |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-09-06 |
|
301-200
| 9 |
Indian Head |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2013-03-01 |
|
301-201
| A |
Washington Zone 10 |
MD |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-201
| 0 |
Washington Zone 10 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2023-09-21 |
|
301-201
| 1 |
Washington Zone 10 |
MD |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-09-21 |
|
301-201
| 2 |
Washington Zone 10 |
MD |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-09-21 |
|
301-201
| 3 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-01-08 |
|
301-201
| 4 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-01-08 |
|
301-201
| 5 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-01-08 |
|
301-201
| 6 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-01-08 |
|
301-201
| 7 |
Washington Zone 10 |
MD |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-01-09 |
|
301-201
| 8 |
Washington Zone 10 |
MD |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-01-07 |
|
301-201
| 9 |
Washington Zone 10 |
MD |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-01-07 |
|
301-202
| A |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-202
| 0 |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2009-03-10 |
|
301-202
| 1 |
Washington Zone 2 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-07 |
|
301-202
| 2 |
Washington Zone 2 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-07 |
|
301-202
| 3 |
Washington Zone 2 |
MD |
TYCRVA03AMD |
2589 US LEC OF MARYLAND, INC. |
236 |
|
2010-06-08 |
|
301-202
| 4 |
Washington Zone 2 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-07 |
|
301-202
| 5 |
Washington Zone 2 |
MD |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-06-08 |
|
301-202
| 6 |
Washington Zone 2 |
MD |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-06-08 |
|
301-202
| 7 |
Washington Zone 2 |
MD |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-01-15 |
|
301-202
| 8 |
Washington Zone 2 |
MD |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-01-15 |
|
301-202
| 9 |
Washington Zone 2 |
MD |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-01-15 |
|
301-203
| A |
Washington Zone 6 |
MD |
FTWSMDCPDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-204
| A |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-204
| 0 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-204
| 1 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-204
| 2 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-204
| 3 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-204
| 4 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-204
| 5 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2005-03-24 |
|
301-204
| 6 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2005-03-24 |
|
301-204
| 7 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2005-03-24 |
|
301-204
| 8 |
Washington Zone 2 |
MD |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2003-08-11 |
|
301-204
| 9 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2005-03-24 |
|
301-205
| A |
Washington Zone 14 (Baltimore LATA) |
MD |
MAYOMDMYRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
301-205
| 0 |
Washington Zone 14 (Baltimore LATA) |
MD |
MAYOMDMYRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
301-205
| 1 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXVX |
321J HD CARRIER LLC |
238 |
|
2016-05-14 |
|
301-205
| 2 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXVX |
321J HD CARRIER LLC |
238 |
|
2016-05-14 |
|
301-205
| 3 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXVX |
321J HD CARRIER LLC |
238 |
|
2016-05-14 |
|
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 >>
Last updated: Wed, 07 Feb 2024 04:12:25 UTC
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