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 |
301-446
| 3 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 4 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 5 |
Washington Zone 13 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-446
| 6 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 7 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 8 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-446
| 9 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-447
| A |
Emmitsburg |
MD |
EMBGMDEMRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-447
| 0 |
Emmitsburg |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2018-06-10 |
|
301-447
| 1 |
Emmitsburg |
MD |
EMBGMDEMRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-447
| 2 |
Emmitsburg |
MD |
EMBGMDEMRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-447
| 3 |
Emmitsburg |
MD |
EMBGMDEMRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-447
| 4 |
Emmitsburg |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2007-04-07 |
|
301-447
| 5 |
Emmitsburg |
MD |
EMBGMDEMRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-447
| 6 |
Emmitsburg |
MD |
EMBGMDEMRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-447
| 7 |
Emmitsburg |
MD |
EMBGMDEMRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-447
| 8 |
Emmitsburg |
MD |
EMBGMDEMRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
2007-12-07 |
|
301-447
| 9 |
Emmitsburg |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2019-03-31 |
|
301-448
| A |
Washington Zone 3 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-448
| 0 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-03-04 |
|
301-448
| 1 |
Washington Zone 3 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-448
| 2 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-04-01 |
|
301-448
| 3 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2022-11-07 |
|
301-448
| 4 |
Washington Zone 3 |
MD |
CHCHMDBE1MD |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
236 |
|
2011-01-10 |
|
301-448
| 5 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-09-20 |
|
301-448
| 6 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-09-20 |
|
301-448
| 7 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-11-01 |
|
301-448
| 8 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-11-01 |
|
301-448
| 9 |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2005-12-02 |
|
301-449
| A |
Washington Zone 5 |
MD |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-450
| A |
Washington Zone 3 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-450
| 0 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2022-09-17 |
|
301-450
| 1 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2022-09-17 |
|
301-450
| 2 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2022-09-17 |
|
301-450
| 3 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2022-09-17 |
|
301-450
| 4 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2022-09-17 |
|
301-450
| 5 |
Washington Zone 3 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-17 |
|
301-450
| 6 |
Washington Zone 3 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-17 |
|
301-450
| 7 |
Washington Zone 3 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-17 |
|
301-450
| 8 |
Washington Zone 3 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-17 |
|
301-450
| 9 |
Washington Zone 3 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-09-16 |
|
301-451
| A |
Washington Zone 2 |
MD |
BTHSMDRPDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-452
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-453
| A |
Kitzmiller |
MD |
KTZMMDKMRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-453
| 0 |
Kitzmiller |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2004-03-28 |
|
301-453
| 1 |
Kitzmiller |
MD |
CMLDMDCM2MD |
836G SHENTEL COMMUNICATIONS, LLC. - MD |
240 |
|
2012-07-14 |
|
301-453
| 2 |
Kitzmiller |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2011-10-01 |
|
301-453
| 3 |
Kitzmiller |
MD |
KTZMMDKMRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-453
| 4 |
Kitzmiller |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2016-09-12 |
|
301-453
| 5 |
Kitzmiller |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2014-07-12 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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