Local Calling Guide
Area code/prefix search
Seattle, WA
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 206-422
| 7 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2007-02-01 |
|
| 206-422
| 8 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2007-02-01 |
|
| 206-422
| 9 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2007-02-01 |
|
| 206-423
| A |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
|
|
| 206-423
| 0 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
|
|
| 206-423
| 1 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
|
|
| 206-423
| 2 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
|
|
| 206-423
| 3 |
STTLWA060MD |
5562 METROPCS, INC. |
674 |
|
|
|
| 206-423
| 4 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
|
|
| 206-423
| 5 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
|
|
| 206-423
| 6 |
STTLWA060MD |
5562 METROPCS, INC. |
674 |
|
|
|
| 206-423
| 7 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
|
|
| 206-423
| 8 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
|
|
| 206-423
| 9 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
|
|
| 206-424
| A |
STTLWAWBDS1 |
483E ONVOY, LLC - WA |
674 |
|
|
|
| 206-426
| A |
STTLWAWBDS1 |
483E ONVOY, LLC - WA |
674 |
|
|
|
| 206-427
| A |
PLSBWAXXX0X |
6010 NEW CINGULAR WIRELESS PCS, LLC |
674 |
|
|
|
| 206-428
| A |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-428
| 0 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-428
| 1 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-428
| 2 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-428
| 3 |
STTNWAHODSC |
6121 LEVEL 3 COMMUNICATIONS, LLC - WA |
674 |
|
2006-06-08 |
|
| 206-428
| 4 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-428
| 5 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-428
| 6 |
STTNWAHODSC |
6121 LEVEL 3 COMMUNICATIONS, LLC - WA |
674 |
|
2005-05-08 |
|
| 206-428
| 7 |
STTNWAHODSC |
6121 LEVEL 3 COMMUNICATIONS, LLC - WA |
674 |
|
2006-06-08 |
|
| 206-428
| 8 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2007-02-08 |
|
| 206-428
| 9 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-430
| A |
TKWLWALL4MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
674 |
|
|
|
| 206-430
| 0 |
STTLWAGAAMD |
5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA |
674 |
|
2011-02-07 |
|
| 206-430
| 1 |
STTNWAHODSC |
6121 LEVEL 3 COMMUNICATIONS, LLC - WA |
674 |
|
2011-01-06 |
|
| 206-430
| 2 |
STTLWAGAAMD |
5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA |
674 |
|
2011-03-07 |
|
| 206-430
| 3 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2010-12-17 |
|
| 206-430
| 4 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2010-12-17 |
|
| 206-430
| 5 |
STTLWAGAPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
2011-02-04 |
|
| 206-430
| 6 |
STTLWAWBDS1 |
483E ONVOY, LLC - WA |
674 |
|
2011-02-07 |
|
| 206-430
| 7 |
TKWLWALL4MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
674 |
|
2010-11-05 |
|
| 206-430
| 8 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2011-02-07 |
|
| 206-430
| 9 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2011-02-07 |
|
| 206-431
| A |
STTLWACHDS0 |
9638 QWEST CORPORATION |
674 |
|
|
|
| 206-432
| A |
TKWLWAZSPS0 |
7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
674 |
|
|
|
| 206-432
| 0 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2008-12-08 |
|
| 206-432
| 1 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2008-12-08 |
|
| 206-432
| 2 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2008-12-08 |
|
| 206-432
| 3 |
TKWLWAZSPS0 |
7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
674 |
|
2008-12-06 |
|
| 206-432
| 4 |
STTLWAWBDS1 |
483E ONVOY, LLC - WA |
674 |
|
2008-12-13 |
|
| 206-432
| 5 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2009-02-16 |
|
| 206-432
| 6 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2009-02-16 |
|
| 206-432
| 7 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2009-02-16 |
|
| 206-432
| 8 |
TKWLWAZSPS0 |
7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
674 |
|
2009-02-19 |
|
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Last updated: Sat, 02 May 2026 12:20:53 UTC
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