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 |
301-710
| 7 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2010-11-10 |
|
301-710
| 8 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2010-11-10 |
|
301-710
| 9 |
Waldorf |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2007-10-26 |
|
301-712
| A |
Frederick |
MD |
FRDRMDFRX7X |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
240 |
|
|
|
301-712
| 0 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2004-10-03 |
|
301-712
| 1 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2004-10-03 |
|
301-712
| 2 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2005-02-11 |
|
301-712
| 3 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2005-12-10 |
|
301-712
| 4 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2006-02-19 |
|
301-712
| 5 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2006-04-24 |
|
301-712
| 6 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2006-04-24 |
|
301-712
| 7 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2006-04-24 |
|
301-712
| 8 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2006-04-24 |
|
301-712
| 9 |
Frederick |
MD |
FRDRMDFRX7X |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
240 |
|
2004-09-13 |
|
301-713
| A |
Washington Zone 3 |
MD |
SLSPMDSSDSS |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-714
| A |
Hagerstown |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-714
| 0 |
Hagerstown |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-714
| 1 |
Hagerstown |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-714
| 2 |
Hagerstown |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-714
| 3 |
Hagerstown |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-714
| 4 |
Hagerstown |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-714
| 5 |
Hagerstown |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-714
| 6 |
Hagerstown |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-714
| 7 |
Hagerstown |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-714
| 8 |
Hagerstown |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2015-11-27 |
|
301-714
| 9 |
Hagerstown |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-715
| A |
Washington Zone 15 |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-715
| 0 |
Washington Zone 15 |
MD |
|
515J IP HORIZON LLC |
236 |
|
2019-04-26 |
|
301-715
| 1 |
Washington Zone 15 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-06-16 |
|
301-715
| 2 |
Washington Zone 15 |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-715
| 3 |
Washington Zone 15 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2009-10-09 |
|
301-715
| 4 |
Washington Zone 15 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-06-16 |
|
301-715
| 5 |
Washington Zone 15 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-06-16 |
|
301-715
| 6 |
Washington Zone 15 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-08 |
|
301-715
| 7 |
Washington Zone 15 |
MD |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-06-14 |
|
301-715
| 8 |
Washington Zone 15 |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2016-11-19 |
|
301-715
| 9 |
Washington Zone 15 |
MD |
|
515J IP HORIZON LLC |
236 |
|
2019-04-26 |
|
301-716
| A |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-717
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-718
| A |
Washington Zone 2 |
MD |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-719
| A |
Washington Zone 16 |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-719
| 0 |
Washington Zone 16 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-719
| 1 |
Washington Zone 16 |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-719
| 2 |
Washington Zone 16 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2020-04-30 |
|
301-719
| 3 |
Washington Zone 16 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2020-04-30 |
|
301-719
| 4 |
Washington Zone 16 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-22 |
|
301-719
| 5 |
Washington Zone 16 |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2020-04-15 |
|
301-719
| 6 |
Washington Zone 16 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-22 |
|
301-719
| 7 |
Washington Zone 16 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-22 |
|
301-719
| 8 |
Washington Zone 16 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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