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 |
| 301-703
| 4 |
Mount Airy |
MD |
MTARMDMARS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
2004-11-17 |
|
| 301-703
| 5 |
Mount Airy |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2012-05-26 |
|
| 301-703
| 6 |
Mount Airy |
MD |
FRDRMDFRXAX |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
240 |
|
2013-06-10 |
|
| 301-703
| 7 |
Mount Airy |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-11-08 |
|
| 301-703
| 8 |
Mount Airy |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2007-04-07 |
|
| 301-703
| 9 |
Mount Airy |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2005-02-17 |
|
| 301-704
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 301-705
| A |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-705
| 0 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-705
| 1 |
Waldorf |
MD |
|
145J TERRA NOVA TELECOM INC. |
236 |
|
2021-01-18 |
|
| 301-705
| 2 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-705
| 3 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-705
| 4 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-705
| 5 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-705
| 6 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-705
| 7 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-705
| 8 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-705
| 9 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-706
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 301-707
| A |
Cumberland |
MD |
CMLDMDCM5MD |
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
| 301-708
| A |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
| 301-708
| 0 |
Laurel (Baltimore LATA) |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
| 301-708
| 1 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-11-18 |
|
| 301-708
| 2 |
Laurel (Baltimore LATA) |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
| 301-708
| 3 |
Laurel (Baltimore LATA) |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-09-12 |
|
| 301-708
| 4 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2014-09-01 |
|
| 301-708
| 5 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-12-16 |
|
| 301-708
| 6 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-12-16 |
|
| 301-708
| 7 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2014-09-01 |
|
| 301-708
| 8 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-11-18 |
|
| 301-708
| 9 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-11-18 |
|
| 301-709
| A |
Cumberland |
MD |
CMLDMDCMX0X |
425J CSC WIRELESS, LLC |
240 |
|
|
|
| 301-709
| 0 |
Cumberland |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2020-09-11 |
|
| 301-709
| 1 |
Cumberland |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2020-11-07 |
|
| 301-709
| 2 |
Cumberland |
MD |
CMLDMDCMX0X |
425J CSC WIRELESS, LLC |
240 |
|
2019-07-19 |
|
| 301-709
| 3 |
Cumberland |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2020-01-05 |
|
| 301-709
| 4 |
Cumberland |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2020-01-05 |
|
| 301-709
| 5 |
Cumberland |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2020-02-10 |
|
| 301-709
| 6 |
Cumberland |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2020-02-10 |
|
| 301-709
| 7 |
Cumberland |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2020-02-10 |
|
| 301-709
| 8 |
Cumberland |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2020-02-10 |
|
| 301-709
| 9 |
Cumberland |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2020-11-07 |
|
| 301-710
| A |
Waldorf |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 301-710
| 0 |
Waldorf |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2007-10-17 |
|
| 301-710
| 1 |
Waldorf |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2007-12-04 |
|
| 301-710
| 2 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2010-11-10 |
|
| 301-710
| 3 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2010-11-10 |
|
| 301-710
| 4 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2010-11-10 |
|
| 301-710
| 5 |
Waldorf |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2006-02-20 |
|
| 301-710
| 6 |
Waldorf |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2006-02-20 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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