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 |
301-269
| 3 |
Washington Zone 2 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-01-02 |
|
301-269
| 4 |
Washington Zone 2 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-03-15 |
|
301-269
| 5 |
Washington Zone 2 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-03-15 |
|
301-269
| 6 |
Washington Zone 2 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-03-15 |
|
301-269
| 7 |
Washington Zone 2 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-04-29 |
|
301-269
| 8 |
Washington Zone 2 |
MD |
WASHDCMTX7X |
2697 CTC COMMUNICATIONS CORP. - MD |
236 |
|
2015-06-29 |
|
301-269
| 9 |
Washington Zone 2 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-10-22 |
|
301-270
| A |
Washington Zone 3 |
MD |
HYVLMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-271
| A |
Thurmont |
MD |
THRMMDTHRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-271
| 0 |
Thurmont |
MD |
THRMMDTHRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-271
| 1 |
Thurmont |
MD |
THRMMDTHRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-271
| 2 |
Thurmont |
MD |
THRMMDTHRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-271
| 3 |
Thurmont |
MD |
THRMMDTHRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-271
| 4 |
Thurmont |
MD |
THRMMDTHRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-271
| 5 |
Thurmont |
MD |
THRMMDTHRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-271
| 6 |
Thurmont |
MD |
THRMMDTHRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-271
| 7 |
Thurmont |
MD |
THRMMDTHRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-271
| 8 |
Thurmont |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2004-03-28 |
|
301-271
| 9 |
Thurmont |
MD |
THRMMDTHRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-272
| A |
Washington Zone 2 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-272
| 0 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-02-21 |
|
301-272
| 1 |
Washington Zone 2 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-272
| 2 |
Washington Zone 2 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-272
| 3 |
Washington Zone 2 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-272
| 4 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-12-01 |
|
301-272
| 5 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-10-08 |
|
301-272
| 6 |
Washington Zone 2 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-272
| 7 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-02-21 |
|
301-272
| 8 |
Washington Zone 2 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-272
| 9 |
Washington Zone 2 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-273
| A |
Washington Zone 3 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-273
| 0 |
Washington Zone 3 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-273
| 1 |
Washington Zone 3 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2014-10-24 |
|
301-273
| 2 |
Washington Zone 3 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-273
| 3 |
Washington Zone 3 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-06-03 |
|
301-273
| 4 |
Washington Zone 3 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2011-06-13 |
|
301-273
| 5 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-08-20 |
|
301-273
| 6 |
Washington Zone 3 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2016-03-03 |
|
301-273
| 7 |
Washington Zone 3 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2014-10-24 |
|
301-273
| 8 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-12-30 |
|
301-273
| 9 |
Washington Zone 3 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-274
| A |
Hughesville |
MD |
HUVLMDHVRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-274
| 0 |
Hughesville |
MD |
HUVLMDHVRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-274
| 1 |
Hughesville |
MD |
HUVLMDHVRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-274
| 2 |
Hughesville |
MD |
HUVLMDHVRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-274
| 3 |
Hughesville |
MD |
HUVLMDHVRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-274
| 4 |
Hughesville |
MD |
HUVLMDHVRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-274
| 5 |
Hughesville |
MD |
HUVLMDHVRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-274
| 6 |
Hughesville |
MD |
|
515J IP HORIZON LLC |
236 |
|
2015-03-21 |
|
301-274
| 7 |
Hughesville |
MD |
WASHDC12OMD |
4820 CAVALIER EAST, LLC - MD |
236 |
|
2011-01-28 |
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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