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 |
301-416
| 3 |
Myersville |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2019-05-02 |
|
301-416
| 4 |
Myersville |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-416
| 5 |
Myersville |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2004-03-28 |
|
301-416
| 6 |
Myersville |
MD |
HGTWMD53BMD |
145J TERRA NOVA TELECOM INC. |
240 |
|
2022-11-07 |
|
301-416
| 7 |
Myersville |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-416
| 8 |
Myersville |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-416
| 9 |
Myersville |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2019-11-08 |
|
301-417
| A |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-417
| 0 |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-417
| 1 |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-417
| 2 |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-417
| 3 |
Washington Zone 10 |
MD |
HRNDVACKBMD |
5978 BROADVIEW NETWORKS OF VIRGINIA, INC. - VA |
236 |
|
2015-09-17 |
|
301-417
| 4 |
Washington Zone 10 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2015-04-14 |
|
301-417
| 5 |
Washington Zone 10 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-06-27 |
|
301-417
| 6 |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-417
| 7 |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-417
| 8 |
Washington Zone 10 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2015-10-15 |
|
301-417
| 9 |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-418
| A |
Frederick |
MD |
FRDRMDFRDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-418
| 0 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2003-10-11 |
|
301-418
| 1 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2003-10-11 |
|
301-418
| 2 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2003-10-11 |
|
301-418
| 3 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2004-01-31 |
|
301-418
| 4 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2004-01-31 |
|
301-418
| 5 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2004-06-10 |
|
301-418
| 6 |
Frederick |
MD |
MRBGWVBUHPA |
4095 FIBERNET, LLC - WV |
240 |
|
2004-04-07 |
|
301-418
| 7 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
2004-08-23 |
|
301-418
| 8 |
Frederick |
MD |
FRDRMDFR9MD |
5562 METROPCS, INC. |
240 |
|
2004-09-13 |
|
301-418
| 9 |
Frederick |
MD |
FRDRMDFRDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
2003-01-11 |
|
301-419
| A |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-420
| A |
Washington Zone 5 |
MD |
STLDMDSLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-421
| A |
Ashton |
MD |
SLSPMDCVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-422
| A |
Washington Zone 4 |
MD |
HYVLMDRIDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-423
| A |
Washington Zone 5 |
MD |
TMHLMDTHDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-424
| A |
Washington Zone 10 |
MD |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-425
| A |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-426
| A |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-426
| 0 |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-426
| 1 |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-426
| 2 |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-426
| 3 |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-426
| 4 |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-426
| 5 |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-426
| 6 |
Washington Zone 13 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-426
| 7 |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-426
| 8 |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-426
| 9 |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-427
| A |
Washington Zone 3 |
MD |
SLSPMDSSDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-428
| A |
Washington Zone 10 |
MD |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-429
| A |
Washington Zone 4 |
MD |
LNHMMDLNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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