Local Calling Guide
Area code/prefix search
Washington Zone 2, MD
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 301-335
| 2 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
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| 301-335
| 3 |
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4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
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| 301-335
| 4 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
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| 301-335
| 5 |
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4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
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| 301-335
| 6 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
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| 301-335
| 7 |
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4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
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| 301-335
| 8 |
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4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
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| 301-335
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
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| 301-347
| A |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-347
| 0 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-347
| 1 |
|
9212 VERIZON MARYLAND, INC. |
236 |
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|
|
| 301-347
| 2 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-347
| 3 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-347
| 4 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-347
| 5 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-347
| 6 |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2017-01-20 |
|
| 301-347
| 7 |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2017-09-14 |
|
| 301-347
| 8 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2018-10-14 |
|
| 301-347
| 9 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-365
| A |
BTHSMDBDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-380
| A |
BTHSMDWWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-381
| A |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
|
|
| 301-381
| 0 |
|
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
| 301-381
| 1 |
|
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
| 301-381
| 2 |
|
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
| 301-381
| 3 |
|
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
| 301-381
| 4 |
|
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
| 301-381
| 5 |
|
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
| 301-381
| 6 |
|
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
| 301-381
| 7 |
|
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
| 301-381
| 8 |
|
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
| 301-381
| 9 |
|
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
| 301-385
| A |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 301-400
| A |
BTHSMDWWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-400
| 0 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
| 301-400
| 1 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
| 301-400
| 2 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
| 301-400
| 3 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
| 301-400
| 4 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
| 301-400
| 5 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
| 301-400
| 6 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
| 301-400
| 7 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
| 301-400
| 8 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
| 301-400
| 9 |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
| 301-402
| A |
BTHSMDRPDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-406
| A |
SLSPMDSSX6X |
6630 USA MOBILITY WIRELESS, INC. |
236 |
|
|
|
| 301-409
| A |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
|
|
| 301-409
| 0 |
|
876D ONVOY, LLC - MD |
236 |
|
2022-04-25 |
|
| 301-409
| 1 |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-03-20 |
|
| 301-409
| 2 |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-03-20 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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