Local Calling Guide
Area code/prefix search
Switch: WASHDCSWMMD
<< 1 2 3 4 5 6 7 8 9 10 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 301-719
| 4 |
Washington Zone 16 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-22 |
|
| 301-781
| A |
Washington Zone 4 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
|
|
| 301-781
| 0 |
Washington Zone 4 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-06-18 |
|
| 301-781
| 1 |
Washington Zone 4 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-06-18 |
|
| 301-781
| 2 |
Washington Zone 4 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-06-18 |
|
| 301-781
| 3 |
Washington Zone 4 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-06-18 |
|
| 301-781
| 4 |
Washington Zone 4 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-06-18 |
|
| 301-781
| 5 |
Washington Zone 4 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-06-18 |
|
| 301-781
| 6 |
Washington Zone 4 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-06-18 |
|
| 301-781
| 7 |
Washington Zone 4 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-06-18 |
|
| 301-781
| 8 |
Washington Zone 4 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-06-18 |
|
| 301-781
| 9 |
Washington Zone 4 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-06-18 |
|
| 301-820
| 9 |
Gaithersburg |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-07 |
|
| 301-821
| 9 |
Laurel |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-08 |
|
| 301-823
| 9 |
Washington Zone 13 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-08 |
|
| 301-902
| 5 |
Washington Zone 13 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-08 |
|
| 301-902
| 6 |
Washington Zone 13 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-08 |
|
| 301-953
| 4 |
Washington Zone 13 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-08 |
|
| 301-953
| 5 |
Washington Zone 13 |
MD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-08 |
|
| 540-873
| 4 |
Stafford |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-27 |
|
| 540-873
| 5 |
Stafford |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-27 |
|
| 540-930
| 1 |
Stafford |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-21 |
|
| 571-300
| 4 |
Dale City |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-21 |
|
| 571-413
| 2 |
Dulles |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-21 |
|
| 571-450
| 5 |
Lorton |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2020-07-13 |
|
| 571-450
| 6 |
Lorton |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2020-07-13 |
|
| 571-450
| 7 |
Lorton |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2020-07-13 |
|
| 571-475
| 2 |
Braddock |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-21 |
|
| 571-487
| 6 |
Arcola |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-21 |
|
| 571-504
| 4 |
Engleside |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-12-11 |
|
| 571-504
| 5 |
Engleside |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-12-11 |
|
| 571-504
| 6 |
Engleside |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-16 |
|
| 571-504
| 7 |
Engleside |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-16 |
|
| 571-507
| 7 |
Washington Zone 17 |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-12 |
|
| 571-516
| 5 |
Triangle |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-12-19 |
|
| 571-516
| 6 |
Triangle |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-12-19 |
|
| 571-516
| 7 |
Triangle |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-20 |
|
| 571-516
| 8 |
Triangle |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-20 |
|
| 571-518
| 1 |
Manassas |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-15 |
|
| 571-518
| 2 |
Manassas |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-15 |
|
| 571-518
| 3 |
Manassas |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-15 |
|
| 571-518
| 4 |
Manassas |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-15 |
|
| 571-518
| 5 |
Manassas |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-15 |
|
| 571-530
| 1 |
Washington Zone 19 |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-15 |
|
| 571-530
| 2 |
Washington Zone 19 |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-15 |
|
| 571-532
| 3 |
Manassas |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-21 |
|
| 571-538
| 1 |
Manassas |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-03-20 |
|
| 571-543
| 5 |
Dale City |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-04-14 |
|
| 571-543
| 7 |
Dale City |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-03-14 |
|
| 571-545
| 4 |
Washington Zone 17 |
VA |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-03-20 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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