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 |
| 667-338
| 4 |
Crofton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-10-31 |
|
| 667-338
| 5 |
Crofton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2022-11-28 |
|
| 667-338
| 6 |
Crofton |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-02-12 |
|
| 667-338
| 7 |
Crofton |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-02-12 |
|
| 667-338
| 8 |
Crofton |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-11-01 |
|
| 667-338
| 9 |
Crofton |
MD |
BLTMMDCHXQX |
197D VONAGE AMERICA LLC |
238 |
|
2022-10-07 |
|
| 667-339
| A |
Sykesville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
|
|
| 667-339
| 0 |
Sykesville |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-11-26 |
|
| 667-339
| 1 |
Sykesville |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-11-26 |
|
| 667-339
| 2 |
Sykesville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-10-31 |
|
| 667-339
| 3 |
Sykesville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-10-31 |
|
| 667-339
| 4 |
Sykesville |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-03-24 |
|
| 667-339
| 5 |
Sykesville |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-03-24 |
|
| 667-339
| 6 |
Sykesville |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-02-12 |
|
| 667-339
| 7 |
Sykesville |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-02-12 |
|
| 667-339
| 8 |
Sykesville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2022-10-16 |
|
| 667-339
| 9 |
Sykesville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-340
| A |
Churchville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
|
|
| 667-340
| 0 |
Churchville |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-11-26 |
|
| 667-340
| 1 |
Churchville |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-11-26 |
|
| 667-340
| 2 |
Churchville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-10-31 |
|
| 667-340
| 3 |
Churchville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-10-31 |
|
| 667-340
| 4 |
Churchville |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2021-12-04 |
|
| 667-340
| 5 |
Churchville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-12-19 |
|
| 667-340
| 6 |
Churchville |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2023-01-18 |
|
| 667-340
| 7 |
Churchville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-05-03 |
|
| 667-340
| 8 |
Churchville |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-03-11 |
|
| 667-340
| 9 |
Churchville |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2021-11-01 |
|
| 667-341
| A |
Delmar |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
|
|
| 667-341
| 0 |
Delmar |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2022-11-28 |
|
| 667-341
| 1 |
Delmar |
MD |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2022-11-18 |
|
| 667-341
| 2 |
Delmar |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-10-31 |
|
| 667-341
| 3 |
Delmar |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-11-15 |
|
| 667-341
| 4 |
Delmar |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-11-15 |
|
| 667-341
| 5 |
Delmar |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-12-20 |
|
| 667-341
| 6 |
Delmar |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-12-20 |
|
| 667-341
| 7 |
Delmar |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2022-03-14 |
|
| 667-341
| 8 |
Delmar |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2022-03-14 |
|
| 667-341
| 9 |
Delmar |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2025-12-15 |
|
| 667-342
| A |
Preston |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
|
|
| 667-342
| 0 |
Preston |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2023-09-02 |
|
| 667-342
| 2 |
Preston |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-10-31 |
|
| 667-342
| 3 |
Preston |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-12-20 |
|
| 667-342
| 4 |
Preston |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE, LLC |
242 |
|
2022-07-05 |
|
| 667-342
| 5 |
Preston |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2022-12-03 |
|
| 667-342
| 6 |
Preston |
MD |
SLBRMD90BMD |
516J TON80 COMMUNICATIONS, LLC |
242 |
|
2022-03-21 |
|
| 667-342
| 7 |
Preston |
MD |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2022-11-18 |
|
| 667-342
| 8 |
Preston |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2022-12-24 |
|
| 667-342
| 9 |
Preston |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2023-06-17 |
|
| 667-343
| A |
Cambridge |
MD |
ESTNMDES5MD |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
242 |
|
|
|
<< 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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