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 |
| 667-314
| 2 |
Westminster |
MD |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2016-09-27 |
|
| 667-314
| 3 |
Westminster |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2017-10-30 |
|
| 667-314
| 4 |
Westminster |
MD |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
2017-03-14 |
|
| 667-314
| 5 |
Westminster |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2017-10-02 |
|
| 667-314
| 6 |
Westminster |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-07-12 |
|
| 667-314
| 7 |
Westminster |
MD |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2024-02-15 |
|
| 667-314
| 8 |
Westminster |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-04-14 |
|
| 667-314
| 9 |
Westminster |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-04-14 |
|
| 667-315
| A |
Bel Air |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
|
|
| 667-315
| 0 |
Bel Air |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2021-06-12 |
|
| 667-315
| 1 |
Bel Air |
MD |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-10-11 |
|
| 667-315
| 2 |
Bel Air |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-01-15 |
|
| 667-315
| 3 |
Bel Air |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-06-13 |
|
| 667-315
| 4 |
Bel Air |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-09-23 |
|
| 667-315
| 5 |
Bel Air |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-09-23 |
|
| 667-315
| 6 |
Bel Air |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-09-23 |
|
| 667-315
| 7 |
Bel Air |
MD |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-10-11 |
|
| 667-315
| 8 |
Bel Air |
MD |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-10-11 |
|
| 667-315
| 9 |
Bel Air |
MD |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-10-11 |
|
| 667-316
| A |
Oxford |
MD |
SLBRMDSBXMD |
073H TELNYX LLC |
242 |
|
|
|
| 667-316
| 0 |
Oxford |
MD |
SLBRMDSBXMD |
073H TELNYX LLC |
242 |
|
2021-06-08 |
|
| 667-316
| 1 |
Oxford |
MD |
SLBRMD901MD |
939H COMMIO, LLC |
242 |
|
2023-09-28 |
|
| 667-316
| 2 |
Oxford |
MD |
SLBRMD901MD |
939H COMMIO, LLC |
242 |
|
2023-09-28 |
|
| 667-316
| 3 |
Oxford |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-06-09 |
|
| 667-316
| 4 |
Oxford |
MD |
SLBRMD901MD |
939H COMMIO, LLC |
242 |
|
2023-09-28 |
|
| 667-316
| 6 |
Oxford |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-06-09 |
|
| 667-316
| 7 |
Oxford |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-06-09 |
|
| 667-316
| 8 |
Oxford |
MD |
SLBRMD901MD |
939H COMMIO, LLC |
242 |
|
2023-09-28 |
|
| 667-316
| 9 |
Oxford |
MD |
SLBRMD901MD |
939H COMMIO, LLC |
242 |
|
2023-09-28 |
|
| 667-317
| A |
Princess Anne |
MD |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
|
|
| 667-317
| 0 |
Princess Anne |
MD |
SLBRMD901MD |
939H COMMIO, LLC |
242 |
|
2022-08-21 |
|
| 667-317
| 1 |
Princess Anne |
MD |
SLBRMDSBX7Y |
792K CHARTER IP ENABLED SERVICES, LLC |
242 |
|
2022-11-27 |
|
| 667-317
| 2 |
Princess Anne |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2023-10-22 |
|
| 667-317
| 3 |
Princess Anne |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-06-30 |
|
| 667-317
| 4 |
Princess Anne |
MD |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2021-06-29 |
|
| 667-317
| 5 |
Princess Anne |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-07-12 |
|
| 667-317
| 6 |
Princess Anne |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-07-12 |
|
| 667-317
| 7 |
Princess Anne |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2022-02-04 |
|
| 667-317
| 8 |
Princess Anne |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2022-02-04 |
|
| 667-317
| 9 |
Princess Anne |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2023-10-22 |
|
| 667-318
| A |
Cockeysville |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
|
|
| 667-318
| 0 |
Cockeysville |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2021-07-03 |
|
| 667-318
| 1 |
Cockeysville |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2021-11-26 |
|
| 667-318
| 2 |
Cockeysville |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2021-07-13 |
|
| 667-318
| 3 |
Cockeysville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-07-11 |
|
| 667-318
| 4 |
Cockeysville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-07-11 |
|
| 667-318
| 5 |
Cockeysville |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2021-11-26 |
|
| 667-318
| 6 |
Cockeysville |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-10-10 |
|
| 667-318
| 7 |
Cockeysville |
MD |
BLTMMDCHCMD |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2021-10-25 |
|
| 667-318
| 8 |
Cockeysville |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-09-10 |
|
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Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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