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 |
| 410-824
| 3 |
Waterloo (Washington DC LATA) |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-30 |
|
| 410-824
| 4 |
Waterloo (Washington DC LATA) |
MD |
|
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2009-01-15 |
|
| 410-824
| 5 |
Waterloo (Washington DC LATA) |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2022-11-24 |
|
| 410-824
| 6 |
Waterloo (Washington DC LATA) |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-30 |
|
| 410-824
| 7 |
Waterloo (Washington DC LATA) |
MD |
|
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
| 410-824
| 8 |
Waterloo (Washington DC LATA) |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2012-01-10 |
|
| 410-824
| 9 |
Waterloo (Washington DC LATA) |
MD |
|
073H TELNYX LLC |
236 |
|
2023-08-12 |
|
| 410-825
| A |
Towson |
MD |
TWSNMDTWDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-826
| A |
Baltimore |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
|
|
| 410-826
| 0 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-01-18 |
|
| 410-826
| 1 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-01-18 |
|
| 410-826
| 2 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-01-18 |
|
| 410-826
| 3 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-01-18 |
|
| 410-826
| 4 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-01-18 |
|
| 410-826
| 5 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-01-18 |
|
| 410-826
| 6 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-01-18 |
|
| 410-826
| 7 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-01-18 |
|
| 410-826
| 8 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-01-18 |
|
| 410-826
| 9 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-01-18 |
|
| 410-827
| A |
Queenstown |
MD |
QNTWMDQNRS0 |
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-827
| 0 |
Queenstown |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-827
| 1 |
Queenstown |
MD |
|
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-02-24 |
|
| 410-827
| 2 |
Queenstown |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2004-04-03 |
|
| 410-827
| 3 |
Queenstown |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-827
| 4 |
Queenstown |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-827
| 5 |
Queenstown |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-827
| 6 |
Queenstown |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-827
| 7 |
Queenstown |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-827
| 8 |
Queenstown |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-827
| 9 |
Queenstown |
MD |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-828
| A |
Towson |
MD |
TWSNMDTWDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-829
| A |
Easton |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
| 410-829
| 0 |
Easton |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
| 410-829
| 1 |
Easton |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2004-06-03 |
|
| 410-829
| 2 |
Easton |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
| 410-829
| 3 |
Easton |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
| 410-829
| 4 |
Easton |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
| 410-829
| 5 |
Easton |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
| 410-829
| 6 |
Easton |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
| 410-829
| 7 |
Easton |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
| 410-829
| 8 |
Easton |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2005-01-02 |
|
| 410-829
| 9 |
Easton |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
| 410-830
| A |
Towson |
MD |
TWSNMDTWDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-830
| 0 |
Towson |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2004-12-02 |
|
| 410-830
| 1 |
Towson |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2005-05-02 |
|
| 410-830
| 2 |
Towson |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-830
| 3 |
Towson |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-830
| 4 |
Towson |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-830
| 5 |
Towson |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-830
| 6 |
Towson |
MD |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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