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 |
410-794
| A |
Columbia |
MD |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-794
| 0 |
Columbia |
MD |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-794
| 1 |
Columbia |
MD |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-794
| 2 |
Columbia |
MD |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-794
| 3 |
Columbia |
MD |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-794
| 4 |
Columbia |
MD |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-794
| 5 |
Columbia |
MD |
BLTMMDCH25Z |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
238 |
|
2006-05-04 |
|
410-794
| 6 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-06-01 |
|
410-794
| 7 |
Columbia |
MD |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-794
| 8 |
Columbia |
MD |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-794
| 9 |
Columbia |
MD |
BLTMMDDNDS2 |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
238 |
|
|
|
410-795
| A |
Sykesville |
MD |
SYVLMDSKDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-796
| A |
Elkridge |
MD |
EKRGMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-796
| 0 |
Elkridge |
MD |
EKRGMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-796
| 1 |
Elkridge |
MD |
EKRGMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-796
| 2 |
Elkridge |
MD |
EKRGMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-796
| 3 |
Elkridge |
MD |
EKRGMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-796
| 4 |
Elkridge |
MD |
EKRGMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-796
| 5 |
Elkridge |
MD |
EKRGMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-796
| 6 |
Elkridge |
MD |
EKRGMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-796
| 7 |
Elkridge |
MD |
EKRGMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-796
| 8 |
Elkridge |
MD |
EKRGMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-796
| 9 |
Elkridge |
MD |
EKRGMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-797
| A |
Waterloo (Washington DC LATA) |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
410-798
| A |
West River |
MD |
MAYOMDMYRS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-799
| A |
Waterloo |
MD |
EKRGMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-800
| A |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
410-800
| 0 |
Baltimore |
MD |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
2004-11-26 |
|
410-800
| 1 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-06-19 |
|
410-800
| 2 |
Baltimore |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2005-03-10 |
|
410-800
| 3 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-11-07 |
|
410-800
| 4 |
Baltimore |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
2005-08-30 |
|
410-800
| 5 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-05-09 |
|
410-800
| 6 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-05-09 |
|
410-800
| 7 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2005-09-01 |
|
410-800
| 8 |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2005-09-01 |
|
410-800
| 9 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-06-19 |
|
410-801
| A |
Baltimore |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
410-801
| 0 |
Baltimore |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-02-15 |
|
410-801
| 1 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-24 |
|
410-801
| 2 |
Baltimore |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2017-04-06 |
|
410-801
| 3 |
Baltimore |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2017-04-06 |
|
410-801
| 4 |
Baltimore |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2017-04-06 |
|
410-801
| 5 |
Baltimore |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2019-07-09 |
|
410-801
| 6 |
Baltimore |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-08-12 |
|
410-801
| 7 |
Baltimore |
MD |
BLTMMDCHUMD |
156J RCLEC, INC. |
238 |
|
2017-03-02 |
|
410-801
| 8 |
Baltimore |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2018-06-07 |
|
410-801
| 9 |
Baltimore |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-08-12 |
|
410-802
| A |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
410-803
| A |
Fork |
MD |
BLARMDBLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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