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 |
301-885
| 9 |
Waldorf |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-12-02 |
|
301-886
| A |
Washington Zone 13 |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-886
| 0 |
Washington Zone 13 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2004-03-26 |
|
301-886
| 2 |
Washington Zone 13 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-15 |
|
301-886
| 3 |
Washington Zone 13 |
MD |
CHCHMDBE1MD |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
236 |
|
2006-05-05 |
|
301-886
| 4 |
Washington Zone 13 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-15 |
|
301-886
| 6 |
Washington Zone 13 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-15 |
|
301-886
| 7 |
Washington Zone 13 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-15 |
|
301-886
| 8 |
Washington Zone 13 |
MD |
HRNDVACKAMD |
1958 ATX TELECOMMUNICATIONS SERVICES, LTD. |
236 |
|
2003-04-06 |
|
301-887
| A |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-887
| 0 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-887
| 1 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-887
| 2 |
Washington Zone 4 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-887
| 3 |
Washington Zone 4 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-20 |
|
301-887
| 4 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-887
| 5 |
Washington Zone 4 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-20 |
|
301-887
| 6 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-887
| 7 |
Washington Zone 4 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-06-16 |
|
301-887
| 8 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-887
| 9 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-888
| A |
Washington Zone 16 |
MD |
BADNMDBNRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-888
| 0 |
Washington Zone 16 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2017-07-19 |
|
301-888
| 1 |
Washington Zone 16 |
MD |
BADNMDBNRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-888
| 2 |
Washington Zone 16 |
MD |
BADNMDBNRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-888
| 3 |
Washington Zone 16 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2017-08-13 |
|
301-888
| 4 |
Washington Zone 16 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2017-07-28 |
|
301-888
| 5 |
Washington Zone 16 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2014-10-27 |
|
301-888
| 6 |
Washington Zone 16 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2014-10-27 |
|
301-888
| 7 |
Washington Zone 16 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2017-07-28 |
|
301-888
| 8 |
Washington Zone 16 |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2012-04-02 |
|
301-888
| 9 |
Washington Zone 16 |
MD |
BADNMDBNRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-889
| A |
Washington Zone 14 (Baltimore LATA) |
MD |
GLVLMDGLRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
301-889
| 0 |
Washington Zone 14 (Baltimore LATA) |
MD |
GLVLMDGLRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
301-889
| 1 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXVX |
321J HD CARRIER LLC |
238 |
|
2016-09-05 |
|
301-889
| 2 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-11-08 |
|
301-889
| 3 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXVX |
321J HD CARRIER LLC |
238 |
|
2016-09-05 |
|
301-889
| 4 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHXVX |
321J HD CARRIER LLC |
238 |
|
2016-09-05 |
|
301-889
| 5 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHYMD |
530H WIDE VOICE, LLC - MD |
238 |
|
2016-09-05 |
|
301-889
| 6 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHYMD |
530H WIDE VOICE, LLC - MD |
238 |
|
2016-09-05 |
|
301-889
| 7 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCHYMD |
530H WIDE VOICE, LLC - MD |
238 |
|
2016-09-05 |
|
301-889
| 8 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-04-07 |
|
301-889
| 9 |
Washington Zone 14 (Baltimore LATA) |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-04-07 |
|
301-890
| A |
Washington Zone 12 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-891
| A |
Washington Zone 3 |
MD |
HYVLMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-891
| 0 |
Washington Zone 3 |
MD |
HYVLMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-891
| 1 |
Washington Zone 3 |
MD |
HYVLMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-891
| 2 |
Washington Zone 3 |
MD |
HYVLMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-891
| 3 |
Washington Zone 3 |
MD |
HYVLMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-891
| 4 |
Washington Zone 3 |
MD |
HYVLMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-891
| 5 |
Washington Zone 3 |
MD |
HYVLMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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