Local Calling Guide
Area code/prefix search
Baltimore, OH
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 220-204
| A |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
|
|
| 220-204
| 0 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2021-12-18 |
|
| 220-204
| 1 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2022-05-14 |
|
| 220-204
| 2 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2021-03-11 |
|
| 220-204
| 3 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2021-03-11 |
|
| 220-204
| 4 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2021-06-25 |
|
| 220-204
| 5 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2021-06-25 |
|
| 220-204
| 6 |
CLMBOH1143Z |
624H ONVOY SPECTRUM, LLC |
324 |
|
2024-07-25 |
|
| 220-204
| 7 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2024-08-30 |
|
| 220-204
| 8 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2021-05-27 |
|
| 220-204
| 9 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2021-01-23 |
|
| 220-269
| A |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2024-10-05 |
|
| 220-269
| 8 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2024-10-05 |
|
| 220-269
| 9 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2024-10-05 |
|
| 220-666
| A |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
|
|
| 220-666
| 0 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2019-02-22 |
|
| 220-666
| 1 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2019-02-22 |
|
| 220-666
| 2 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2020-06-05 |
|
| 220-666
| 3 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2020-09-04 |
|
| 220-666
| 4 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2020-09-04 |
|
| 220-666
| 5 |
CLMBOHLT7MD |
073H TELNYX LLC |
324 |
|
2021-01-21 |
|
| 220-666
| 6 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2017-12-07 |
|
| 220-666
| 7 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2020-12-13 |
|
| 220-666
| 8 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2020-12-13 |
|
| 220-666
| 9 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2017-12-18 |
|
| 740-400
| A |
CLMKOHPE0MD |
793K TWC IP ENABLED SERVICES, LLC |
324 |
|
2025-02-04 |
|
| 740-400
| 0 |
CLMBOH11XLZ |
001F BANDWIDTH.COM CLEC, LLC - OH |
324 |
|
2012-01-27 |
|
| 740-400
| 1 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2014-10-20 |
|
| 740-400
| 2 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2016-09-30 |
|
| 740-400
| 3 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2016-03-29 |
|
| 740-400
| 4 |
CLMKOHPE0MD |
793K TWC IP ENABLED SERVICES, LLC |
324 |
|
2007-02-14 |
|
| 740-400
| 5 |
|
145J TERRA NOVA TELECOM INC. |
324 |
|
2025-09-15 |
|
| 740-400
| 6 |
CLMBOH1125Z |
508J CENTURYLINK COMMUNICATIONS, LLC |
324 |
|
2014-07-03 |
|
| 740-400
| 7 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2017-08-15 |
|
| 740-400
| 8 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2015-10-23 |
|
| 740-400
| 9 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2015-05-15 |
|
| 740-556
| A |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
|
|
| 740-556
| 0 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2023-07-30 |
|
| 740-556
| 1 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2023-07-30 |
|
| 740-556
| 2 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2023-07-30 |
|
| 740-556
| 3 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2023-07-30 |
|
| 740-556
| 4 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2023-10-27 |
|
| 740-556
| 5 |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2023-10-27 |
|
| 740-556
| 6 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2023-10-21 |
|
| 740-556
| 7 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2023-09-18 |
|
| 740-556
| 8 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2023-02-09 |
|
| 740-556
| 9 |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2022-10-10 |
|
| 740-862
| A |
BLTMOHXADS0 |
0615 FRONTIER NORTH, INC. - OH |
324 |
|
|
|
| 740-862
| 0 |
BLTMOHXADS0 |
0615 FRONTIER NORTH, INC. - OH |
324 |
|
|
|
| 740-862
| 1 |
BLTMOHXADS0 |
0615 FRONTIER NORTH, INC. - OH |
324 |
|
|
|
| 740-862
| 2 |
BLTMOHXADS0 |
0615 FRONTIER NORTH, INC. - OH |
324 |
|
|
|
| 740-862
| 3 |
BLTMOHXADS0 |
0615 FRONTIER NORTH, INC. - OH |
324 |
|
|
|
| 740-862
| 4 |
BLTMOHXADS0 |
0615 FRONTIER NORTH, INC. - OH |
324 |
|
|
|
| 740-862
| 5 |
BLTMOHXADS0 |
0615 FRONTIER NORTH, INC. - OH |
324 |
|
|
|
| 740-862
| 6 |
BLTMOHXADS0 |
0615 FRONTIER NORTH, INC. - OH |
324 |
|
|
|
| 740-862
| 7 |
CLMBOH11X6Z |
7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH |
324 |
|
2004-09-20 |
|
| 740-862
| 8 |
BLTMOHXADS0 |
0615 FRONTIER NORTH, INC. - OH |
324 |
|
|
|
| 740-862
| 9 |
BLTMOHXADS0 |
0615 FRONTIER NORTH, INC. - OH |
324 |
|
|
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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