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 |
| 410-888
| 1 |
Waterloo (Washington DC LATA) |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 410-888
| 2 |
Waterloo (Washington DC LATA) |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-30 |
|
| 410-888
| 3 |
Waterloo (Washington DC LATA) |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2020-03-30 |
|
| 410-888
| 4 |
Waterloo (Washington DC LATA) |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2012-04-05 |
|
| 410-888
| 5 |
Waterloo (Washington DC LATA) |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 410-888
| 6 |
Waterloo (Washington DC LATA) |
MD |
|
829J PAETEC ITEL, LLC |
236 |
|
2013-11-21 |
|
| 410-888
| 7 |
Waterloo (Washington DC LATA) |
MD |
|
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2011-03-15 |
|
| 410-888
| 8 |
Waterloo (Washington DC LATA) |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 410-888
| 9 |
Waterloo (Washington DC LATA) |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 410-889
| A |
Baltimore |
MD |
BLTMMDUVDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-890
| A |
Towson |
MD |
HNVAMDAE3MD |
6630 USA MOBILITY WIRELESS, INC. |
238 |
|
|
|
| 410-891
| A |
Cockeysville |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
| 410-891
| 0 |
Cockeysville |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
| 410-891
| 1 |
Cockeysville |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
| 410-891
| 2 |
Cockeysville |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
| 410-891
| 3 |
Cockeysville |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
| 410-891
| 4 |
Cockeysville |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2010-02-25 |
|
| 410-891
| 5 |
Cockeysville |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2003-02-18 |
|
| 410-891
| 6 |
Cockeysville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-03-31 |
|
| 410-891
| 7 |
Cockeysville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-06-07 |
|
| 410-891
| 8 |
Cockeysville |
MD |
|
318J COMCAST IP PHONE, LLC |
238 |
|
2008-04-10 |
|
| 410-891
| 9 |
Cockeysville |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
| 410-892
| A |
Glen Burnie |
MD |
FPATMDFRDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-892
| 0 |
Glen Burnie |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-08-15 |
|
| 410-892
| 1 |
Glen Burnie |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2015-12-03 |
|
| 410-892
| 2 |
Glen Burnie |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2018-11-11 |
|
| 410-892
| 3 |
Glen Burnie |
MD |
|
5562 METROPCS, INC. |
238 |
|
2016-02-04 |
|
| 410-892
| 4 |
Glen Burnie |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2016-07-25 |
|
| 410-892
| 5 |
Glen Burnie |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2016-07-25 |
|
| 410-892
| 6 |
Glen Burnie |
MD |
|
5562 METROPCS, INC. |
238 |
|
2016-03-09 |
|
| 410-892
| 7 |
Glen Burnie |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-892
| 8 |
Glen Burnie |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-892
| 9 |
Glen Burnie |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2019-04-19 |
|
| 410-893
| A |
Fork |
MD |
BLARMDBLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-894
| A |
Towson |
MD |
HNVAMDAE3MD |
6630 USA MOBILITY WIRELESS, INC. |
238 |
|
|
|
| 410-895
| A |
Baltimore |
MD |
BLTMMDCHDS3 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-896
| A |
Delmar |
MD |
DLMRMDDMRS1 |
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-896
| 0 |
Delmar |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2004-04-03 |
|
| 410-896
| 1 |
Delmar |
MD |
|
876D ONVOY, LLC - MD |
242 |
|
2019-03-04 |
|
| 410-896
| 2 |
Delmar |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-896
| 3 |
Delmar |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-896
| 4 |
Delmar |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-896
| 5 |
Delmar |
MD |
|
318J COMCAST IP PHONE, LLC |
242 |
|
2013-05-30 |
|
| 410-896
| 6 |
Delmar |
MD |
|
876D ONVOY, LLC - MD |
242 |
|
2019-03-04 |
|
| 410-896
| 7 |
Delmar |
MD |
|
281E YMAX COMMUNICATIONS CORP. - MD |
242 |
|
2011-04-03 |
|
| 410-896
| 8 |
Delmar |
MD |
|
281E YMAX COMMUNICATIONS CORP. - MD |
242 |
|
2011-04-03 |
|
| 410-896
| 9 |
Delmar |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-897
| A |
Annapolis |
MD |
PARLMDPADS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-897
| 0 |
Annapolis |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-897
| 1 |
Annapolis |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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