Local Calling Guide
Area code/prefix search
Baltimore, MD
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NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
410-291
| 3 |
BLTMMDCH1DD |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-291
| 4 |
BLTMMDCH1DD |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-291
| 5 |
BLTMMDCH1DD |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-291
| 6 |
CLMAMDJTBMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2017-09-02 |
|
410-291
| 7 |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2017-08-03 |
|
410-291
| 8 |
BLTMMDCHDMD |
551G NUSO, LLC |
238 |
|
2017-06-07 |
|
410-291
| 9 |
|
515J IP HORIZON LLC |
238 |
|
2019-04-26 |
|
410-299
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
410-301
| A |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
410-301
| 0 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
410-301
| 1 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
410-301
| 2 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
410-301
| 3 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
410-301
| 4 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
410-301
| 5 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
410-301
| 6 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
410-301
| 7 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
410-301
| 8 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
410-301
| 9 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
410-303
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
410-318
| A |
PIVLMDPKDS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-318
| 0 |
PIVLMDPKDS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-318
| 1 |
PIVLMDPKDS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-318
| 2 |
PIVLMDPKDS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-318
| 3 |
PIVLMDPKDS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-318
| 4 |
PIVLMDPKDS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-318
| 5 |
PIVLMDPKDS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-318
| 6 |
PIVLMDPKDS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-318
| 7 |
PIVLMDPKDS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-318
| 8 |
PIVLMDPKDS1 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-318
| 9 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2004-08-29 |
|
410-319
| A |
BLTMMDHMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-319
| 0 |
BLTMMDCHAMD |
1958 ATX TELECOMMUNICATIONS SERVICES, LTD. |
238 |
|
2004-02-15 |
|
410-319
| 1 |
BLTMMDHMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-319
| 2 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2019-02-02 |
|
410-319
| 3 |
BLTMMDHMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-319
| 4 |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2021-09-24 |
|
410-319
| 5 |
BLTMMDHMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-319
| 6 |
BLTMMDHMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-319
| 7 |
BLTMMDHMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-319
| 8 |
BLTMMDHMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-319
| 9 |
BLTMMDHMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-323
| A |
BLTMMDYKDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-325
| A |
BLTMMDFRDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-325
| 0 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-10-02 |
|
410-325
| 1 |
BLTMMDFRDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-325
| 2 |
BLTMMDFRDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-325
| 3 |
BLTMMDFRDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-325
| 4 |
BLTMMDFRDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-325
| 5 |
BLTMMDFRDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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