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 |
301-891
| 6 |
Washington Zone 3 |
MD |
HYVLMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-891
| 7 |
Washington Zone 3 |
MD |
HYVLMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-891
| 8 |
Washington Zone 3 |
MD |
HYVLMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-891
| 9 |
Washington Zone 3 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2014-11-06 |
|
301-892
| A |
Washington Zone 4 |
MD |
HYVLMDHYPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-892
| 0 |
Washington Zone 4 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2011-06-02 |
|
301-892
| 1 |
Washington Zone 4 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2011-09-02 |
|
301-892
| 2 |
Washington Zone 4 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2011-06-27 |
|
301-892
| 3 |
Washington Zone 4 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-20 |
|
301-892
| 4 |
Washington Zone 4 |
MD |
TYCRVA03AMD |
2589 US LEC OF MARYLAND, INC. |
236 |
|
2010-09-22 |
|
301-892
| 5 |
Washington Zone 4 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-20 |
|
301-892
| 6 |
Washington Zone 4 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-05-12 |
|
301-892
| 7 |
Washington Zone 4 |
MD |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-09-01 |
|
301-892
| 8 |
Washington Zone 4 |
MD |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-09-01 |
|
301-892
| 9 |
Washington Zone 4 |
MD |
HYVLMDHYPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2005-05-02 |
|
301-893
| A |
Washington Zone 6 |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-893
| 0 |
Washington Zone 6 |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-893
| 1 |
Washington Zone 6 |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-893
| 2 |
Washington Zone 6 |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-893
| 3 |
Washington Zone 6 |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-893
| 4 |
Washington Zone 6 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-20 |
|
301-893
| 5 |
Washington Zone 6 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-08-15 |
|
301-893
| 6 |
Washington Zone 6 |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-893
| 7 |
Washington Zone 6 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-20 |
|
301-893
| 8 |
Washington Zone 6 |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-893
| 9 |
Washington Zone 6 |
MD |
|
145J TERRA NOVA TELECOM INC. |
236 |
|
2021-06-10 |
|
301-894
| A |
Washington Zone 6 |
MD |
TMHLMDTHDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-895
| A |
Grantsville |
MD |
GTVLMDGRRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-895
| 0 |
Grantsville |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2012-02-06 |
|
301-895
| 1 |
Grantsville |
MD |
HGTWMD530MD |
073H TELNYX LLC |
240 |
|
2017-08-08 |
|
301-895
| 2 |
Grantsville |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-06-20 |
|
301-895
| 3 |
Grantsville |
MD |
GTVLMDGRRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-895
| 4 |
Grantsville |
MD |
GTVLMDGRRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-895
| 5 |
Grantsville |
MD |
GTVLMDGRRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-895
| 6 |
Grantsville |
MD |
FRDRMDFRXKX |
508J CENTURYLINK COMMUNICATIONS, LLC |
240 |
|
2016-11-12 |
|
301-895
| 7 |
Grantsville |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2016-09-12 |
|
301-895
| 8 |
Grantsville |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2010-03-05 |
|
301-895
| 9 |
Grantsville |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2016-09-12 |
|
301-896
| A |
Washington Zone 2 |
MD |
BTHSMDWWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-897
| A |
Washington Zone 2 |
MD |
BTHSMDWWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-898
| A |
Frederick |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-898
| 0 |
Frederick |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-898
| 1 |
Frederick |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-898
| 2 |
Frederick |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2008-08-20 |
|
301-898
| 3 |
Frederick |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-898
| 4 |
Frederick |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-898
| 5 |
Frederick |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-898
| 6 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2015-12-27 |
|
301-898
| 7 |
Frederick |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-898
| 8 |
Frederick |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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