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 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
410-856
| 6 |
Baltimore |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
410-856
| 7 |
Baltimore |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
410-856
| 8 |
Baltimore |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
410-856
| 9 |
Baltimore |
MD |
BLTMMDCHXNX |
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 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-06-01 |
|
410-858
| 1 |
Annapolis |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2006-02-03 |
|
410-858
| 2 |
Annapolis |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2006-02-03 |
|
410-858
| 3 |
Annapolis |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2006-02-19 |
|
410-858
| 4 |
Annapolis |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2009-10-12 |
|
410-858
| 5 |
Annapolis |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-08-19 |
|
410-858
| 6 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2006-09-12 |
|
410-858
| 7 |
Annapolis |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-06-01 |
|
410-858
| 8 |
Annapolis |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-07-02 |
|
410-858
| 9 |
Annapolis |
MD |
ANNPMDANPS1 |
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 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
410-861
| 1 |
Westminster |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
2007-01-22 |
|
410-861
| 2 |
Westminster |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2007-07-01 |
|
410-861
| 3 |
Westminster |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2010-07-19 |
|
410-861
| 4 |
Westminster |
MD |
BLTMMDCHAMD |
1958 ATX TELECOMMUNICATIONS SERVICES, LTD. |
238 |
|
2006-05-12 |
|
410-861
| 5 |
Westminster |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2009-02-02 |
|
410-861
| 6 |
Westminster |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2007-01-19 |
|
410-861
| 7 |
Westminster |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2006-05-12 |
|
410-861
| 8 |
Westminster |
MD |
RSTWMDRSDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-861
| 9 |
Westminster |
MD |
RSTWMDRSDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-862
| A |
Waterloo (Washington DC LATA) |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
|
|
410-862
| 0 |
Waterloo (Washington DC LATA) |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-04 |
|
410-862
| 1 |
Waterloo (Washington DC LATA) |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-04 |
|
410-862
| 2 |
Waterloo (Washington DC LATA) |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-07-12 |
|
410-862
| 3 |
Waterloo (Washington DC LATA) |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-04-01 |
|
410-862
| 4 |
Waterloo (Washington DC LATA) |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-04-01 |
|
410-862
| 5 |
Waterloo (Washington DC LATA) |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-30 |
|
410-862
| 6 |
Waterloo (Washington DC LATA) |
MD |
OCQNVAXAVMD |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
236 |
|
2012-08-27 |
|
410-862
| 7 |
Waterloo (Washington DC LATA) |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-30 |
|
410-862
| 8 |
Waterloo (Washington DC LATA) |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2020-03-30 |
|
410-862
| 9 |
Waterloo (Washington DC LATA) |
MD |
HRNDVACKBMD |
9170 BROADVIEW NETWORKS, INC. - MD |
236 |
|
2013-10-21 |
|
410-863
| A |
Glen Burnie |
MD |
GLBRMDGLRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-863
| 0 |
Glen Burnie |
MD |
GLBRMDGLRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-863
| 1 |
Glen Burnie |
MD |
GLBRMDGLRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-863
| 2 |
Glen Burnie |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2015-06-11 |
|
410-863
| 3 |
Glen Burnie |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2015-06-11 |
|
410-863
| 4 |
Glen Burnie |
MD |
GLBRMDGLRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-863
| 5 |
Glen Burnie |
MD |
GLBRMDGLRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-863
| 6 |
Glen Burnie |
MD |
GLBRMDGLRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-863
| 7 |
Glen Burnie |
MD |
GLBRMDGLRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-863
| 8 |
Glen Burnie |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-04-20 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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