Local Calling Guide
Area code/prefix search
NPA: 667
[Rate centres in NPA 667]
[Dial plan for NPA 667]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-289
| 6 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-01-23 |
|
| 667-289
| 7 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-10-16 |
|
| 667-289
| 8 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-10-16 |
|
| 667-289
| 9 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-10-16 |
|
| 667-290
| A |
Baltimore |
MD |
BLTMMDCHXHX |
515J IP HORIZON LLC |
238 |
|
|
|
| 667-290
| 0 |
Baltimore |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-11-01 |
|
| 667-290
| 1 |
Baltimore |
MD |
|
515J IP HORIZON LLC |
238 |
|
2020-10-31 |
|
| 667-290
| 2 |
Baltimore |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-11-01 |
|
| 667-290
| 3 |
Baltimore |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-11-01 |
|
| 667-290
| 4 |
Baltimore |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-11-01 |
|
| 667-290
| 5 |
Baltimore |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-11-01 |
|
| 667-290
| 6 |
Baltimore |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2020-12-26 |
|
| 667-290
| 7 |
Baltimore |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2020-12-26 |
|
| 667-290
| 8 |
Baltimore |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-02-18 |
|
| 667-290
| 9 |
Baltimore |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-02-18 |
|
| 667-291
| A |
Millington |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
|
|
| 667-291
| 0 |
Millington |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2017-05-11 |
|
| 667-291
| 1 |
Millington |
MD |
SLBRMD902MD |
073H TELNYX LLC |
242 |
|
2017-09-13 |
|
| 667-291
| 2 |
Millington |
MD |
SLBRMD906MD |
145J TERRA NOVA TELECOM INC. |
242 |
|
2024-02-15 |
|
| 667-291
| 3 |
Millington |
MD |
SLBRMD906MD |
145J TERRA NOVA TELECOM INC. |
242 |
|
2024-10-12 |
|
| 667-291
| 4 |
Millington |
MD |
|
145J TERRA NOVA TELECOM INC. |
242 |
|
2025-07-25 |
|
| 667-291
| 7 |
Millington |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-04-29 |
|
| 667-291
| 8 |
Millington |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2019-03-04 |
|
| 667-291
| 9 |
Millington |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2019-03-04 |
|
| 667-292
| A |
Salisbury |
MD |
SLBRMDSBXRX |
515J IP HORIZON LLC |
242 |
|
|
|
| 667-292
| 0 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2021-11-04 |
|
| 667-292
| 1 |
Salisbury |
MD |
|
515J IP HORIZON LLC |
242 |
|
2020-10-31 |
|
| 667-292
| 4 |
Salisbury |
MD |
SLBRMD90DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
242 |
|
2024-11-20 |
|
| 667-292
| 5 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2021-11-04 |
|
| 667-292
| 6 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2021-11-04 |
|
| 667-292
| 7 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2021-11-04 |
|
| 667-292
| 8 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2021-11-04 |
|
| 667-292
| 9 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2021-11-04 |
|
| 667-293
| A |
Sharptown |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
|
|
| 667-293
| 1 |
Sharptown |
MD |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2022-11-18 |
|
| 667-293
| 3 |
Sharptown |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2020-11-21 |
|
| 667-293
| 4 |
Sharptown |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-11-15 |
|
| 667-293
| 5 |
Sharptown |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-11-15 |
|
| 667-293
| 6 |
Sharptown |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-05-27 |
|
| 667-293
| 9 |
Sharptown |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2020-11-21 |
|
| 667-294
| A |
Towson |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
| 667-294
| 0 |
Towson |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2020-11-06 |
|
| 667-294
| 1 |
Towson |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-05-23 |
|
| 667-294
| 2 |
Towson |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2025-09-28 |
|
| 667-294
| 3 |
Towson |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-09-30 |
|
| 667-294
| 4 |
Towson |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2021-02-26 |
|
| 667-294
| 5 |
Towson |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-11-05 |
|
| 667-294
| 6 |
Towson |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-11-05 |
|
| 667-294
| 7 |
Towson |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-11-05 |
|
| 667-294
| 8 |
Towson |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-11-05 |
|
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Last updated: Sun, 17 May 2026 03:26:51 UTC
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