Local Calling Guide
Area code/prefix search
NPA: 667
[Rate centres in NPA 667]
[Dial plan for NPA 667]
<< 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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-260
| 9 |
Baltimore |
MD |
|
515J IP HORIZON LLC |
238 |
|
2016-05-31 |
|
| 667-261
| A |
Columbia |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
| 667-261
| 0 |
Columbia |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-02-24 |
|
| 667-261
| 1 |
Columbia |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-02-24 |
|
| 667-261
| 2 |
Columbia |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-02-24 |
|
| 667-261
| 3 |
Columbia |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-04-08 |
|
| 667-261
| 4 |
Columbia |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-04-08 |
|
| 667-261
| 5 |
Columbia |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-04-08 |
|
| 667-261
| 6 |
Columbia |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-01-11 |
|
| 667-261
| 7 |
Columbia |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-01-11 |
|
| 667-261
| 8 |
Columbia |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2020-06-21 |
|
| 667-261
| 9 |
Columbia |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-02-07 |
|
| 667-262
| A |
Baltimore |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
|
|
| 667-262
| 0 |
Baltimore |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-08-12 |
|
| 667-262
| 1 |
Baltimore |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-11-08 |
|
| 667-262
| 2 |
Baltimore |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-08-12 |
|
| 667-262
| 3 |
Baltimore |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2020-07-08 |
|
| 667-262
| 4 |
Baltimore |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2020-07-08 |
|
| 667-262
| 5 |
Baltimore |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2020-06-12 |
|
| 667-262
| 6 |
Baltimore |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2019-11-17 |
|
| 667-262
| 7 |
Baltimore |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2019-11-17 |
|
| 667-262
| 8 |
Baltimore |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2020-07-08 |
|
| 667-262
| 9 |
Baltimore |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-09-28 |
|
| 667-263
| A |
Dundalk |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
| 667-263
| 0 |
Dundalk |
MD |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-10-11 |
|
| 667-263
| 1 |
Dundalk |
MD |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-10-11 |
|
| 667-263
| 2 |
Dundalk |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2025-01-04 |
|
| 667-263
| 3 |
Dundalk |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-07-11 |
|
| 667-263
| 4 |
Dundalk |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-07-11 |
|
| 667-263
| 5 |
Dundalk |
MD |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-10-11 |
|
| 667-263
| 6 |
Dundalk |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2022-10-16 |
|
| 667-263
| 7 |
Dundalk |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-05-22 |
|
| 667-263
| 8 |
Dundalk |
MD |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-10-11 |
|
| 667-263
| 9 |
Dundalk |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-04-23 |
|
| 667-264
| A |
Delmar |
MD |
ESTNMDES5MD |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
242 |
|
|
|
| 667-264
| 0 |
Delmar |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2023-01-11 |
|
| 667-264
| 1 |
Delmar |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-04-02 |
|
| 667-264
| 2 |
Delmar |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-22 |
|
| 667-264
| 3 |
Delmar |
MD |
ESTNMDES5MD |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
242 |
|
2019-04-29 |
|
| 667-264
| 4 |
Delmar |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-22 |
|
| 667-264
| 5 |
Delmar |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-22 |
|
| 667-264
| 6 |
Delmar |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-22 |
|
| 667-264
| 7 |
Delmar |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-22 |
|
| 667-264
| 8 |
Delmar |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-22 |
|
| 667-264
| 9 |
Delmar |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-05-27 |
|
| 667-265
| A |
Vienna |
MD |
ESTNMDESRMD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
242 |
|
|
|
| 667-265
| 0 |
Vienna |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-11-15 |
|
| 667-265
| 1 |
Vienna |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-05-27 |
|
| 667-265
| 2 |
Vienna |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2020-10-17 |
|
| 667-265
| 3 |
Vienna |
MD |
ESTNMDESRMD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
242 |
|
2019-06-18 |
|
<< 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 >>
Last updated: Wed, 04 Mar 2026 03:00:52 UTC
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