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 |
| 410-853
| 4 |
Towson |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-853
| 5 |
Towson |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
| 410-853
| 6 |
Towson |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-853
| 7 |
Towson |
MD |
|
318J COMCAST IP PHONE, LLC |
238 |
|
2005-03-10 |
|
| 410-853
| 8 |
Towson |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-853
| 9 |
Towson |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-854
| A |
Waterloo (Washington DC LATA) |
MD |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 410-855
| A |
Glen Burnie |
MD |
FPATMDFRDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-855
| 0 |
Glen Burnie |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-08-15 |
|
| 410-855
| 1 |
Glen Burnie |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2016-04-18 |
|
| 410-855
| 2 |
Glen Burnie |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2016-04-18 |
|
| 410-855
| 3 |
Glen Burnie |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2016-04-18 |
|
| 410-855
| 4 |
Glen Burnie |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2016-08-21 |
|
| 410-855
| 5 |
Glen Burnie |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2016-07-02 |
|
| 410-855
| 6 |
Glen Burnie |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-855
| 7 |
Glen Burnie |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-855
| 8 |
Glen Burnie |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-855
| 9 |
Glen Burnie |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-856
| A |
Baltimore |
MD |
CYVLMDDADS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-856
| 0 |
Baltimore |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-856
| 1 |
Baltimore |
MD |
|
829J PAETEC ITEL, LLC |
238 |
|
2005-04-21 |
|
| 410-856
| 2 |
Baltimore |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-856
| 3 |
Baltimore |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-856
| 4 |
Baltimore |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-856
| 5 |
Baltimore |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-856
| 6 |
Baltimore |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
| 410-856
| 7 |
Baltimore |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
| 410-856
| 8 |
Baltimore |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
| 410-856
| 9 |
Baltimore |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
| 410-857
| A |
Westminster |
MD |
WMNSMDWMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-858
| A |
Annapolis |
MD |
ANNPMDANPS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-858
| 0 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-06-01 |
|
| 410-858
| 1 |
Annapolis |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2006-02-03 |
|
| 410-858
| 2 |
Annapolis |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2006-02-03 |
|
| 410-858
| 3 |
Annapolis |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2006-02-19 |
|
| 410-858
| 4 |
Annapolis |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2009-10-12 |
|
| 410-858
| 5 |
Annapolis |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-08-19 |
|
| 410-858
| 6 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2006-09-12 |
|
| 410-858
| 7 |
Annapolis |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-06-01 |
|
| 410-858
| 8 |
Annapolis |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-07-02 |
|
| 410-858
| 9 |
Annapolis |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
2005-05-02 |
|
| 410-859
| A |
Glen Burnie |
MD |
FPATMDFRDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-860
| A |
Salisbury |
MD |
SLBRMDSBDS1 |
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-861
| A |
Westminster |
MD |
RSTWMDRSDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-861
| 0 |
Westminster |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
| 410-861
| 1 |
Westminster |
MD |
|
829J PAETEC ITEL, LLC |
238 |
|
2007-01-22 |
|
| 410-861
| 2 |
Westminster |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2007-07-01 |
|
| 410-861
| 3 |
Westminster |
MD |
|
5562 METROPCS, INC. |
238 |
|
2010-07-19 |
|
| 410-861
| 4 |
Westminster |
MD |
|
829J PAETEC ITEL, LLC |
238 |
|
2006-05-12 |
|
| 410-861
| 5 |
Westminster |
MD |
|
318J COMCAST IP PHONE, LLC |
238 |
|
2009-02-02 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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