Local Calling Guide
Area code/prefix search
NPA: 410
[Rate centres in NPA 410]
[Dial plan for NPA 410]
<< 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 88 89 90 91 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 410-963
| 1 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 410-963
| 2 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 410-963
| 3 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 410-963
| 4 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 410-963
| 5 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 410-963
| 6 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 410-963
| 7 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 410-963
| 8 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 410-963
| 9 |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 410-964
| A |
Columbia |
MD |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-965
| A |
Woodlawn |
MD |
WDLWMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-966
| A |
Woodlawn |
MD |
WDLWMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-967
| A |
Towson |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
| 410-968
| A |
Crisfield |
MD |
CRFDMDCRRS0 |
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-968
| 0 |
Crisfield |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-968
| 1 |
Crisfield |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-968
| 2 |
Crisfield |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-968
| 3 |
Crisfield |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-968
| 4 |
Crisfield |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-968
| 5 |
Crisfield |
MD |
|
073H TELNYX LLC |
242 |
|
2017-09-13 |
|
| 410-968
| 6 |
Crisfield |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2004-04-03 |
|
| 410-968
| 7 |
Crisfield |
MD |
|
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-11-11 |
|
| 410-968
| 8 |
Crisfield |
MD |
|
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-02-24 |
|
| 410-968
| 9 |
Crisfield |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-969
| A |
Severn |
MD |
GLBRMDGLRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-970
| A |
Sykesville |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
| 410-970
| 0 |
Sykesville |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-04-08 |
|
| 410-970
| 1 |
Sykesville |
MD |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2021-01-28 |
|
| 410-970
| 2 |
Sykesville |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
| 410-970
| 3 |
Sykesville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-05-21 |
|
| 410-970
| 4 |
Sykesville |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2003-03-24 |
|
| 410-970
| 5 |
Sykesville |
MD |
|
4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD |
238 |
|
2004-02-14 |
|
| 410-970
| 6 |
Sykesville |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-02-14 |
|
| 410-970
| 7 |
Sykesville |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
2004-06-20 |
|
| 410-970
| 8 |
Sykesville |
MD |
|
2596 QUANTUM TELECOMMUNICATIONS, INC. - MD |
238 |
|
2003-12-25 |
|
| 410-970
| 9 |
Sykesville |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
| 410-971
| A |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
| 410-972
| A |
Annapolis |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
| 410-972
| 0 |
Annapolis |
MD |
|
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
| 410-972
| 1 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2004-03-03 |
|
| 410-972
| 2 |
Annapolis |
MD |
|
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
| 410-972
| 3 |
Annapolis |
MD |
|
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
| 410-972
| 4 |
Annapolis |
MD |
|
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
| 410-972
| 5 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2011-08-08 |
|
| 410-972
| 6 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2011-08-08 |
|
| 410-972
| 7 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2011-08-08 |
|
| 410-972
| 8 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2011-08-08 |
|
| 410-972
| 9 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2011-08-08 |
|
| 410-973
| A |
Berlin |
MD |
SLBRMDSBXWX |
861F MCC TELEPHONY OF THE MID-ATLANTIC, LLC - MD |
242 |
|
|
|
| 410-973
| 0 |
Berlin |
MD |
|
876D ONVOY, LLC - MD |
242 |
|
2024-05-20 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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