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Sudden Valley, WA Area Codes
Sudden Valley, Washington (population 6,963) uses area codes 360 and 564.
NANPA records do not list Sudden Valley separately: its numbers belong to the Whatcom County exchange, which covers the whole area.
Carriers with Sudden Valley numbers
73 prefixes are assigned to the Whatcom County exchange: 29% mobile, 23% VoIP and cable, 48% landline.
| Carrier | Prefixes |
|---|---|
| Ziply Fiber | 16 |
| Lumen (Qwest) | 15 |
| AT&T (Teleport) | 9 |
| T-Mobile | 8 |
| Verizon Wireless | 7 |
| AT&T Mobility | 6 |
| Lumen (Level 3) | 5 |
| Allstream | 3 |
Area codes used in Sudden Valley
| Area code | Prefixes serving Sudden Valley | Main carriers in this code |
|---|---|---|
| 360 | 69 | Lumen (Qwest), Verizon Wireless, Ziply Fiber |
| 564 | 4 | T-Mobile, Onvoy (Sinch), Verizon Wireless |
Sudden Valley phone number prefixes
Numbers starting with these first six digits were originally assigned to the Whatcom County exchange.
360-201AT&T Mobility360-220AT&T Mobility360-223T-Mobile360-224T-Mobile360-255Allstream360-296Allstream360-303Verizon Wireless360-305Verizon Wireless360-306Lumen (Level 3)360-312Ziply Fiber360-318Ziply Fiber360-319Verizon Wireless360-325AT&T (Teleport)360-332Ziply Fiber360-354Ziply Fiber360-366Ziply Fiber360-371Ziply Fiber360-380Ziply Fiber360-383Ziply Fiber360-384Ziply Fiber360-389AT&T Mobility360-392AT&T (Teleport)360-393Verizon Wireless360-398Ziply Fiber360-410T-Mobile360-441T-Mobile360-483Lumen (Level 3)360-510AT&T Mobility360-526Verizon Business (MCImetro)360-527Lumen (Qwest)360-543Lumen (Level 3)360-592Ziply Fiber360-594Allstream360-595Ziply Fiber360-599Ziply Fiber360-603Lumen (Level 3)360-617Ziply Fiber360-647Lumen (Qwest)360-650Lumen (Qwest)360-656AT&T (Teleport)360-671Lumen (Qwest)360-676Lumen (Qwest)360-684AT&T (Teleport)360-685AT&T (Teleport)360-714Lumen (Qwest)360-715Lumen (Qwest)360-733Lumen (Qwest)360-734Lumen (Qwest)360-738Lumen (Qwest)360-739Verizon Wireless360-746Lumen (Level 3)360-752Lumen (Qwest)360-756Lumen (Qwest)360-758Lumen (Qwest)360-778Lumen (Qwest)360-781AT&T Mobility360-788Lumen (Qwest)360-812Lumen (CenturyLink)360-815T-Mobile360-820T-Mobile360-920T-Mobile360-922AT&T (Teleport)360-927Verizon Wireless360-933AT&T (Teleport)360-935AT&T (Teleport)360-937AT&T (Teleport)360-961AT&T Mobility360-966Ziply Fiber360-988Ziply Fiber564-209T-Mobile564-213Onvoy (Sinch)564-243Verizon Wireless564-565Onvoy (Sinch)
Nearby cities in area code 360
- Vancouver
- Bellingham
- Marysville
- South Hill
- Lacey
- Olympia
- Bremerton
- Edmonds
- Longview
- Mount Vernon
- Orchards
- Tumwater
Questions
- What is the area code for Sudden Valley, WA?
- Sudden Valley uses 2 area codes: 360 and 564. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Sudden Valley in?
- Sudden Valley is in the Pacific time zone.