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 86 87 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-544
| 1 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-05-02 |
|
| 667-544
| 2 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-05-02 |
|
| 667-544
| 3 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-05-02 |
|
| 667-544
| 4 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-05-02 |
|
| 667-544
| 5 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-05-02 |
|
| 667-544
| 6 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-05-02 |
|
| 667-544
| 7 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-05-02 |
|
| 667-544
| 8 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-05-02 |
|
| 667-544
| 9 |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-05-02 |
|
| 667-545
| A |
Warwick |
MD |
ESTNMDBNGT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
|
|
| 667-545
| 0 |
Warwick |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-12-07 |
|
| 667-545
| 1 |
Warwick |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-12-07 |
|
| 667-545
| 2 |
Warwick |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-07-31 |
|
| 667-545
| 3 |
Warwick |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-07-31 |
|
| 667-545
| 4 |
Warwick |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-07-31 |
|
| 667-545
| 5 |
Warwick |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-12-07 |
|
| 667-545
| 6 |
Warwick |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-04-02 |
|
| 667-545
| 7 |
Warwick |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-04-02 |
|
| 667-545
| 8 |
Warwick |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2019-03-10 |
|
| 667-545
| 9 |
Warwick |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2019-03-10 |
|
| 667-546
| A |
Prince Frederick |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2026-05-30 |
|
| 667-546
| 0 |
Prince Frederick |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2026-05-30 |
|
| 667-546
| 1 |
Prince Frederick |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2026-05-30 |
|
| 667-546
| 7 |
Prince Frederick |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2026-07-04 |
|
| 667-546
| 8 |
Prince Frederick |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2026-07-04 |
|
| 667-546
| 9 |
Prince Frederick |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2026-07-04 |
|
| 667-547
| A |
Baltimore |
MD |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
238 |
|
2026-07-21 |
|
| 667-547
| 5 |
Baltimore |
MD |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
238 |
|
2026-07-21 |
|
| 667-547
| 7 |
Baltimore |
MD |
|
490J BOOST SUBSCRIBERCO L.L.C. |
238 |
|
2026-10-26 |
|
| 667-547
| 8 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2026-07-22 |
|
| 667-547
| 9 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2026-07-22 |
|
| 667-548
| A |
Towson |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2026-07-23 |
|
| 667-548
| 0 |
Towson |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2026-07-23 |
|
| 667-549
| A |
Annapolis |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2026-02-19 |
|
| 667-549
| 0 |
Annapolis |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2026-07-24 |
|
| 667-549
| 3 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-07-03 |
|
| 667-549
| 4 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-07-03 |
|
| 667-549
| 5 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-07-03 |
|
| 667-549
| 6 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-07-03 |
|
| 667-549
| 7 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-06-26 |
|
| 667-549
| 9 |
Annapolis |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2026-02-19 |
|
| 667-550
| A |
Columbia |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-08-21 |
|
| 667-550
| 4 |
Columbia |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-08-21 |
|
| 667-550
| 5 |
Columbia |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-08-21 |
|
| 667-550
| 6 |
Columbia |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-08-21 |
|
| 667-550
| 7 |
Columbia |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-08-21 |
|
| 667-550
| 8 |
Columbia |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-08-21 |
|
| 667-550
| 9 |
Columbia |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-08-21 |
|
| 667-551
| A |
Annapolis |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2026-08-29 |
|
| 667-551
| 0 |
Annapolis |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2026-08-29 |
|
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Last updated: Fri, 10 Jul 2026 02:55:48 UTC
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