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 |
301-684
| 7 |
Indian Head |
MD |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2009-09-25 |
|
301-684
| 8 |
Indian Head |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-08-14 |
|
301-684
| 9 |
Indian Head |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-685
| A |
Damascus |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-685
| 0 |
Damascus |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2012-10-06 |
|
301-685
| 1 |
Damascus |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2003-03-24 |
|
301-685
| 2 |
Damascus |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-685
| 3 |
Damascus |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2004-09-28 |
|
301-685
| 4 |
Damascus |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-685
| 5 |
Damascus |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-01-04 |
|
301-685
| 6 |
Damascus |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-01-04 |
|
301-685
| 7 |
Damascus |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-03-11 |
|
301-685
| 8 |
Damascus |
MD |
LARLMDLR3MD |
2596 QUANTUM TELECOMMUNICATIONS, INC. - MD |
236 |
|
2003-12-25 |
|
301-685
| 9 |
Damascus |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-686
| A |
Washington Zone 6 |
MD |
OXHLMDOHDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-686
| 0 |
Washington Zone 6 |
MD |
OXHLMDOHDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-686
| 1 |
Washington Zone 6 |
MD |
OXHLMDOHDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-686
| 2 |
Washington Zone 6 |
MD |
OXHLMDOHDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2005-09-29 |
|
301-686
| 3 |
Washington Zone 6 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2008-10-01 |
|
301-686
| 4 |
Washington Zone 6 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-10-12 |
|
301-686
| 5 |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-04-28 |
|
301-686
| 6 |
Washington Zone 6 |
MD |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
2009-11-30 |
|
301-686
| 7 |
Washington Zone 6 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-06-26 |
|
301-686
| 8 |
Washington Zone 6 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2009-08-28 |
|
301-686
| 9 |
Washington Zone 6 |
MD |
OXHLMDOHDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-687
| A |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-687
| 0 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-687
| 1 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-687
| 2 |
Frostburg |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-10-26 |
|
301-687
| 3 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-687
| 4 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-687
| 5 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-687
| 6 |
Frostburg |
MD |
FRDRMDFRX7X |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
240 |
|
|
|
301-687
| 7 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-687
| 8 |
Frostburg |
MD |
MRBGWVBUHPA |
4095 FIBERNET, LLC - WV |
240 |
|
2004-02-15 |
|
301-688
| A |
Washington Zone 13 |
MD |
LARLMDDYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-689
| A |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-689
| 0 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-689
| 1 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-689
| 2 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-689
| 3 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-689
| 4 |
Frostburg |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2004-03-28 |
|
301-689
| 5 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-689
| 6 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-689
| 7 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-689
| 8 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-689
| 9 |
Frostburg |
MD |
FSBGMDFSDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-690
| A |
Leonardtown |
MD |
CHCHMDBEXCX |
228C IDT AMERICA, CORP. - MD |
236 |
|
|
|
301-690
| 0 |
Leonardtown |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-07-02 |
|
301-690
| 1 |
Leonardtown |
MD |
|
515J IP HORIZON LLC |
236 |
|
2015-03-21 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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