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 |
301-479
| 2 |
Washington Zone 13 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-479
| 3 |
Washington Zone 13 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-479
| 4 |
Washington Zone 13 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-479
| 5 |
Washington Zone 13 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-06-17 |
|
301-479
| 6 |
Washington Zone 13 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-06-17 |
|
301-479
| 7 |
Washington Zone 13 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-479
| 8 |
Washington Zone 13 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-06-17 |
|
301-479
| 9 |
Washington Zone 13 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-06-17 |
|
301-480
| A |
Washington Zone 2 |
MD |
BTHSMDRPDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-481
| A |
Leonardtown |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-482
| A |
Damascus |
MD |
DMSCMDDEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-482
| 0 |
Damascus |
MD |
DMSCMDDEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-482
| 1 |
Damascus |
MD |
DMSCMDDEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-482
| 2 |
Damascus |
MD |
DMSCMDDEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-482
| 3 |
Damascus |
MD |
DMSCMDDEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-482
| 4 |
Damascus |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-22 |
|
301-482
| 5 |
Damascus |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-482
| 6 |
Damascus |
MD |
DMSCMDDEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-482
| 7 |
Damascus |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-22 |
|
301-482
| 8 |
Damascus |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-22 |
|
301-482
| 9 |
Damascus |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-483
| A |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-484
| A |
Washington Zone 4 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-485
| A |
Washington Zone 6 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-485
| 0 |
Washington Zone 6 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2012-10-07 |
|
301-485
| 1 |
Washington Zone 6 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-485
| 2 |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-03-02 |
|
301-485
| 3 |
Washington Zone 6 |
MD |
HRNDVACKBMD |
9170 BROADVIEW NETWORKS, INC. - MD |
236 |
|
2015-09-04 |
|
301-485
| 4 |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-04-28 |
|
301-485
| 5 |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-06-27 |
|
301-485
| 6 |
Washington Zone 6 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-02-22 |
|
301-485
| 7 |
Washington Zone 6 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2006-09-02 |
|
301-485
| 8 |
Washington Zone 6 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2008-04-24 |
|
301-485
| 9 |
Washington Zone 6 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2008-12-13 |
|
301-486
| A |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 0 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 1 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 2 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 3 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 4 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 5 |
Washington Zone 13 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-486
| 6 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 7 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-486
| 8 |
Washington Zone 13 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-486
| 9 |
Washington Zone 13 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-487
| A |
Myersville |
MD |
MYVLMDMVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-488
| A |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-489
| A |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-489
| 0 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-489
| 1 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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