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 |
301-337
| 0 |
Gaithersburg |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-06-22 |
|
301-337
| 1 |
Gaithersburg |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-06-14 |
|
301-337
| 2 |
Gaithersburg |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-337
| 3 |
Gaithersburg |
MD |
HRNDVACKBMD |
9170 BROADVIEW NETWORKS, INC. - MD |
236 |
|
2011-03-08 |
|
301-337
| 4 |
Gaithersburg |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2003-06-01 |
|
301-337
| 5 |
Gaithersburg |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-11-01 |
|
301-337
| 6 |
Gaithersburg |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2013-07-19 |
|
301-337
| 7 |
Gaithersburg |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-02-19 |
|
301-337
| 8 |
Gaithersburg |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-02-19 |
|
301-337
| 9 |
Gaithersburg |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-10-22 |
|
301-338
| A |
Cumberland |
MD |
CMLDMDCH0MD |
228C IDT AMERICA, CORP. - MD |
240 |
|
|
|
301-338
| 0 |
Cumberland |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2011-03-10 |
|
301-338
| 1 |
Cumberland |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2007-12-06 |
|
301-338
| 2 |
Cumberland |
MD |
CMLDMDCH0MD |
228C IDT AMERICA, CORP. - MD |
240 |
|
2006-03-25 |
|
301-338
| 3 |
Cumberland |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2011-03-10 |
|
301-338
| 4 |
Cumberland |
MD |
FRDRMDFRKMD |
5562 METROPCS, INC. |
240 |
|
2011-08-25 |
|
301-338
| 5 |
Cumberland |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2011-08-25 |
|
301-338
| 6 |
Cumberland |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2014-05-30 |
|
301-338
| 7 |
Cumberland |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2011-11-11 |
|
301-338
| 8 |
Cumberland |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2012-02-19 |
|
301-338
| 9 |
Cumberland |
MD |
CMLDMDCM2MD |
836G SHENTEL COMMUNICATIONS, LLC. - MD |
240 |
|
2014-06-02 |
|
301-339
| A |
Washington Zone 10 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-339
| 0 |
Washington Zone 10 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-339
| 1 |
Washington Zone 10 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-339
| 2 |
Washington Zone 10 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-339
| 3 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-12-15 |
|
301-339
| 4 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-10-30 |
|
301-339
| 5 |
Washington Zone 10 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-339
| 6 |
Washington Zone 10 |
MD |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
2012-03-02 |
|
301-339
| 7 |
Washington Zone 10 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2006-12-21 |
|
301-339
| 8 |
Washington Zone 10 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2012-12-01 |
|
301-339
| 9 |
Washington Zone 10 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-340
| A |
Washington Zone 10 |
MD |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-341
| A |
Washington Zone 4 |
MD |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-342
| A |
Lexington Park-Great Mills |
MD |
PNATMDAFDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-343
| A |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-343
| 0 |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-343
| 1 |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-343
| 2 |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-343
| 3 |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-343
| 4 |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-343
| 5 |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-343
| 6 |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-343
| 7 |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-343
| 8 |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-343
| 9 |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-344
| A |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-345
| A |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-346
| A |
Washington Zone 3 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-347
| A |
Washington Zone 2 |
MD |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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