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 |
301-719
| 9 |
Washington Zone 16 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-22 |
|
301-720
| A |
Brandywine |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-720
| 0 |
Brandywine |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
301-720
| 1 |
Brandywine |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
301-720
| 2 |
Brandywine |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2019-07-11 |
|
301-720
| 3 |
Brandywine |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-720
| 4 |
Brandywine |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-720
| 5 |
Brandywine |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-06-16 |
|
301-720
| 6 |
Brandywine |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-06-16 |
|
301-720
| 7 |
Brandywine |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-06-16 |
|
301-720
| 8 |
Brandywine |
MD |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2017-04-27 |
|
301-720
| 9 |
Brandywine |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-721
| A |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-722
| A |
Cumberland |
MD |
CMLDMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-723
| A |
Cumberland |
MD |
CMLDMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-723
| 0 |
Cumberland |
MD |
CMLDMDCM5MD |
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
2005-07-22 |
|
301-723
| 1 |
Cumberland |
MD |
FRDRMDFRKMD |
5562 METROPCS, INC. |
240 |
|
2018-05-29 |
|
301-723
| 2 |
Cumberland |
MD |
CMLDMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-723
| 3 |
Cumberland |
MD |
CMLDMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-723
| 4 |
Cumberland |
MD |
CMLDMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-723
| 5 |
Cumberland |
MD |
CMLDMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-723
| 6 |
Cumberland |
MD |
CMLDMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-723
| 7 |
Cumberland |
MD |
FRDRMDFRX7X |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
240 |
|
2006-07-01 |
|
301-723
| 8 |
Cumberland |
MD |
CMLDMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-723
| 9 |
Cumberland |
MD |
CMLDMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-724
| A |
Cumberland |
MD |
CMLDMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-725
| A |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-726
| A |
Kitzmiller |
MD |
FRDRMDFRX7X |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
240 |
|
|
|
301-726
| 3 |
Kitzmiller |
MD |
FRDRMDFRX7X |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
240 |
|
2023-03-31 |
|
301-727
| A |
Washington Zone 5 |
MD |
VINNVACB2MD |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
236 |
|
|
|
301-728
| A |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-729
| A |
Cumberland |
MD |
CSTWMDCRDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-730
| A |
Myersville |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
|
|
301-731
| A |
Washington Zone 4 |
MD |
LNHMMDLNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-732
| A |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
|
|
301-732
| 0 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2014-12-01 |
|
301-732
| 1 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2013-06-14 |
|
301-732
| 2 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2013-08-01 |
|
301-732
| 3 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2014-12-23 |
|
301-732
| 4 |
Frederick |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2015-08-11 |
|
301-732
| 5 |
Frederick |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2011-12-04 |
|
301-732
| 6 |
Frederick |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2013-09-18 |
|
301-732
| 7 |
Frederick |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-05-21 |
|
301-732
| 8 |
Frederick |
MD |
FRDRMDFRX7X |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
240 |
|
2015-07-21 |
|
301-732
| 9 |
Frederick |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2014-10-10 |
|
301-733
| A |
Hagerstown |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-734
| A |
Washington Zone 3 |
MD |
SLSPMDSSDSS |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-735
| A |
Washington Zone 5 |
MD |
STLDMDSLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-736
| A |
Washington Zone 5 |
MD |
STLDMDSLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-737
| A |
Lexington Park-Great Mills |
MD |
LXPKMDLXDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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