Local Calling Guide
Area code/prefix search
Dundalk, MD
<< 1 2
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 443-586
| 8 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-07-27 |
|
| 443-586
| 9 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-09-15 |
|
| 443-696
| A |
|
829J PAETEC ITEL, LLC |
238 |
|
2025-04-01 |
|
| 443-696
| 0 |
|
829J PAETEC ITEL, LLC |
238 |
|
|
|
| 443-696
| 1 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-11-25 |
|
| 443-696
| 2 |
BLTQMD018MD |
145J TERRA NOVA TELECOM INC. |
238 |
|
2024-09-11 |
|
| 443-696
| 3 |
|
829J PAETEC ITEL, LLC |
238 |
|
|
|
| 443-696
| 4 |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2008-10-01 |
|
| 443-696
| 5 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-11-25 |
|
| 443-696
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-10-22 |
|
| 443-696
| 7 |
|
829J PAETEC ITEL, LLC |
238 |
|
|
|
| 443-696
| 8 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-09-23 |
|
| 443-696
| 9 |
|
829J PAETEC ITEL, LLC |
238 |
|
|
|
| 443-879
| A |
DNDLMDDNDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 443-879
| 0 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-30 |
|
| 443-879
| 1 |
|
829J PAETEC ITEL, LLC |
238 |
|
2006-01-20 |
|
| 443-879
| 2 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-09-05 |
|
| 443-879
| 3 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-03-16 |
|
| 443-879
| 4 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2018-11-11 |
|
| 443-879
| 5 |
DNDLMDDNDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
2003-08-09 |
|
| 443-879
| 6 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2018-07-28 |
|
| 443-879
| 7 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-12-31 |
|
| 443-879
| 8 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-12-31 |
|
| 443-879
| 9 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
| 667-263
| A |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
| 667-263
| 0 |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-10-11 |
|
| 667-263
| 1 |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-10-11 |
|
| 667-263
| 2 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2025-01-04 |
|
| 667-263
| 3 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-07-11 |
|
| 667-263
| 4 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-07-11 |
|
| 667-263
| 5 |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-10-11 |
|
| 667-263
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2022-10-16 |
|
| 667-263
| 7 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-05-22 |
|
| 667-263
| 8 |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-10-11 |
|
| 667-263
| 9 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-04-23 |
|
| 667-456
| A |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-01-08 |
|
| 667-456
| 0 |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2024-01-09 |
|
| 667-456
| 1 |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2024-01-09 |
|
| 667-456
| 2 |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2024-01-09 |
|
| 667-456
| 3 |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2024-01-09 |
|
| 667-456
| 4 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-12-02 |
|
| 667-456
| 5 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-12-02 |
|
| 667-456
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-12-02 |
|
| 667-456
| 7 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-11-01 |
|
| 667-456
| 8 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-10-21 |
|
| 667-456
| 9 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-01-08 |
|
| 667-501
| A |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-02-02 |
|
| 667-501
| 7 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-02-16 |
|
| 667-501
| 8 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-02-02 |
|
| 667-501
| 9 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-02-02 |
|
| 667-856
| A |
BLTQMD01BMD |
516J TON80 COMMUNICATIONS, LLC |
238 |
|
|
|
| 667-856
| 0 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-06-09 |
|
| 667-856
| 1 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-04-15 |
|
| 667-856
| 2 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-856
| 3 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-856
| 4 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-856
| 5 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-856
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-06-16 |
|
| 667-856
| 7 |
BLTQMD01BMD |
516J TON80 COMMUNICATIONS, LLC |
238 |
|
2022-05-03 |
|
| 667-856
| 8 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-856
| 9 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
<< 1 2
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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