Local Calling Guide
Area code/prefix search
Baltimore, MD
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-224
| 6 |
PIVLMDPKXFX |
829J PAETEC ITEL, LLC |
238 |
|
2015-06-29 |
|
| 667-224
| 7 |
PIVLMDPKXFX |
829J PAETEC ITEL, LLC |
238 |
|
2015-06-29 |
|
| 667-224
| 8 |
PIVLMDPKXEX |
829J PAETEC ITEL, LLC |
238 |
|
2015-06-30 |
|
| 667-224
| 9 |
PIVLMDPKXEX |
829J PAETEC ITEL, LLC |
238 |
|
2015-06-30 |
|
| 667-233
| A |
BLTMMDCHDS2 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 667-233
| 0 |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
2015-03-15 |
|
| 667-233
| 1 |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
2015-03-15 |
|
| 667-233
| 2 |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
2015-03-15 |
|
| 667-233
| 3 |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
2015-03-15 |
|
| 667-233
| 4 |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
2015-03-15 |
|
| 667-233
| 5 |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
2015-03-15 |
|
| 667-233
| 6 |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
2015-03-15 |
|
| 667-233
| 7 |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
2015-03-15 |
|
| 667-233
| 8 |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
2015-03-15 |
|
| 667-233
| 9 |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
2015-03-15 |
|
| 667-234
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
| 667-234
| 0 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-05-07 |
|
| 667-234
| 1 |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2015-06-08 |
|
| 667-234
| 2 |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2015-06-08 |
|
| 667-234
| 3 |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2015-06-08 |
|
| 667-234
| 4 |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2015-06-08 |
|
| 667-234
| 5 |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2015-06-08 |
|
| 667-234
| 6 |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2015-06-08 |
|
| 667-234
| 7 |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2015-06-08 |
|
| 667-234
| 8 |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2015-06-08 |
|
| 667-234
| 9 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-10-09 |
|
| 667-239
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
| 667-239
| 0 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-05-07 |
|
| 667-239
| 1 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2015-07-27 |
|
| 667-239
| 2 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2015-07-27 |
|
| 667-239
| 3 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2014-09-29 |
|
| 667-239
| 4 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2015-07-27 |
|
| 667-239
| 5 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2015-07-27 |
|
| 667-239
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2015-07-27 |
|
| 667-239
| 7 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2015-07-27 |
|
| 667-239
| 8 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-10-06 |
|
| 667-239
| 9 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-10-06 |
|
| 667-250
| A |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
|
|
| 667-250
| 0 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-12-31 |
|
| 667-250
| 1 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-10-06 |
|
| 667-250
| 2 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-10-06 |
|
| 667-250
| 3 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-10-06 |
|
| 667-250
| 4 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-10-06 |
|
| 667-250
| 5 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-10-06 |
|
| 667-250
| 6 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2018-07-30 |
|
| 667-250
| 7 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-11-17 |
|
| 667-250
| 8 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-11-17 |
|
| 667-250
| 9 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-11-17 |
|
| 667-258
| A |
BLTQMD017MD |
996H AIRESPRING, INC. |
238 |
|
|
|
| 667-258
| 0 |
BLTQMD017MD |
996H AIRESPRING, INC. |
238 |
|
2018-12-29 |
|
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Last updated: Tue, 29 Sep 2026 03:00:13 UTC
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