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 |
301-750
| 8 |
Friendsville |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-11-07 |
|
301-750
| 9 |
Friendsville |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2016-09-29 |
|
301-751
| A |
Waldorf |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-752
| A |
Waldorf |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-753
| A |
Washington Zone 6 |
MD |
LPLTMDLADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-753
| 0 |
Washington Zone 6 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-09-29 |
|
301-753
| 1 |
Washington Zone 6 |
MD |
LPLTMDLADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-753
| 2 |
Washington Zone 6 |
MD |
LPLTMDLADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-753
| 3 |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2020-12-03 |
|
301-753
| 4 |
Washington Zone 6 |
MD |
LPLTMDLADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-753
| 5 |
Washington Zone 6 |
MD |
LPLTMDLADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-753
| 6 |
Washington Zone 6 |
MD |
LPLTMDLADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-753
| 7 |
Washington Zone 6 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2017-04-14 |
|
301-753
| 8 |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2020-12-03 |
|
301-753
| 9 |
Washington Zone 6 |
MD |
LPLTMDLADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-754
| A |
Washington Zone 3 |
MD |
SLSPMDNWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-754
| 0 |
Washington Zone 3 |
MD |
SLSPMDNWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-754
| 1 |
Washington Zone 3 |
MD |
SLSPMDNWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-754
| 2 |
Washington Zone 3 |
MD |
SLSPMDNWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-754
| 3 |
Washington Zone 3 |
MD |
SLSPMDNWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-754
| 4 |
Washington Zone 3 |
MD |
SLSPMDNWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-754
| 5 |
Washington Zone 3 |
MD |
SLSPMDNWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-754
| 6 |
Washington Zone 3 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2014-10-23 |
|
301-754
| 7 |
Washington Zone 3 |
MD |
SLSPMDNWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-754
| 8 |
Washington Zone 3 |
MD |
SLSPMDNWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-754
| 9 |
Washington Zone 3 |
MD |
SLSPMDNWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-755
| A |
Washington Zone 3 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-755
| 0 |
Washington Zone 3 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-755
| 1 |
Washington Zone 3 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-755
| 2 |
Washington Zone 3 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-755
| 3 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-09-30 |
|
301-755
| 4 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-09-17 |
|
301-755
| 5 |
Washington Zone 3 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2008-07-19 |
|
301-755
| 6 |
Washington Zone 3 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2008-07-19 |
|
301-755
| 7 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-07-29 |
|
301-755
| 8 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-10-12 |
|
301-755
| 9 |
Washington Zone 3 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2007-10-26 |
|
301-756
| A |
Washington Zone 14 |
MD |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-756
| 0 |
Washington Zone 14 |
MD |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-756
| 1 |
Washington Zone 14 |
MD |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2017-03-14 |
|
301-756
| 2 |
Washington Zone 14 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-756
| 3 |
Washington Zone 14 |
MD |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-756
| 4 |
Washington Zone 14 |
MD |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-756
| 5 |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2020-04-30 |
|
301-756
| 6 |
Washington Zone 14 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2017-08-04 |
|
301-756
| 7 |
Washington Zone 14 |
MD |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-756
| 8 |
Washington Zone 14 |
MD |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-756
| 9 |
Washington Zone 14 |
MD |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-757
| A |
Lexington Park-Great Mills |
MD |
PNATMDAFDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-758
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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