Cách gọi điện thoại từ Việt Nam sang Mỹ khá đơn giản, ngày nay cũng có nhiều cách gọi khác nhau cho các bạn lựa chọn tuy nhiên cách gọi điện trực tiếp qua đường dây thoại vẫn là 1 trong số lựa chọn phổ biến.
Về cách gọi không quá phức tạp cho các bạn thường xuyên gọi tuy nhiên cũng có 1 số thông tin cần biết nếu bạn muốn gọi sang Mỹ. Bộ phận gửi hàng đi Mỹ của H5S xin chia sẻ cách gọi cũn như bảng Mã vùng điện thoại của Mỹ để các bạn tham khảo nha.
Cú pháp gọi điện đi Mỹ gồm có:
IDD là 00 + Mã quốc gia là: 1 + Mã Vùng + Số điện thoại.
Cần phải xác định mã vùng của Mỹ (Hoa Kỳ). Số 1 là mã quốc gia của Hoa Kỳ. Mã quay số cũng có nghĩa là mã điện thoại +1 hoặc là mã quay số 1 này nhé. Và đôi khi nó cũng được hiểu là mã gọi điện hoặc mã quay số quốc tế.
Sau đây là bảng mã vùng, các bạn tham khảo và lưu vào khi cầnnha.
STT Các BangMã Vùng1Alabama - Birmingham/Central Alabama2052Alabama2513Alabama6594Alabama - Huntsville/North Alabama2565Alabama - Montgomery/Mobile/Lower Alabama3346Alaska9077Arizona5208Arizona9289Arizona - Phoenix. East Valley48010Arizona - Phoenix60211Arizona - Phoenix. West Valley62312Arkansas50113Arkansas47914Arkansas87015California34116California44217California62818California65719California66920California74721California75222California76423California95124California - Central20925California - Central55926California - Central Coastal40827California - Central Coastal83128California - East Bay Area51029California - Los Angeles213
30California - Los Angeles31031California - (overlay 310)42432California - Los Angeles32333California - Los Angeles56234California - North Coastal70735California - (split from 707)36936California - (split from 707)62737California - Northern53038California - Orange County71439California - Orange County949
40California - Pas./San Gabr.Vly62641California - Riverside & S.Bern90942California - Sacramento91643California - San Diego76044California - San Diego, S.Cal61945California - (split from 619)85846California - (split from 619)93547California - SF Valley, LA area81848California - San Francisco41549California - San Francisco Bay area925
50California - (split from 805)66151California - SouthCentral80552California - West Bay Area65053Coin Phone Refunds21154Colorado - Denver & suburban72055Colorado - Northern & Western67056Colorado - Denver & suburban30357Colorado - Southern & Eastern71958Connecticut20359Connecticut - (overlay 203)47560Connecticut86061Connecticut - (overlay 860)95962Delaware30263Directory Services41164District Of Columbia20265Emergency Services91166Florida23967Florida38668Florida68969Florida75470Florida - Cape Coral area94171Florida - Greater Ft Lauderdale95472Florida - Greater Palm Beach56173Florida - Greater Orlando40774Florida - Greater St Petersburg72775Florida - North35276Florida - Northeast90477Florida panhandle85078Florida - Overlay the 305 area78679Florida - South Central863
80Florida - SouthEast30581Florida Space Coast (Melbourne)32182Florida - Tampa area81383Georgia47084Georgia47885Georgia77086Georgia67887Georgia - Metro Atlanta40488Georgia - Northern70689Georgia - Southern912
90Georgia - (split from 912)22991Gov Emergency Telecom Service71092Guam67193Hawaii80894Idaho20895Illinois - Chicago31296Illinois - Chicago77397Illinois - Chicago suburbs63098Illinois - Chicago suburbs84799Illinois - NorthEast708100Illinois - Northern815101Illinois224102Illinois overlay deferred331103Illinois overlay deferred464104Illinois overlay deferred872105Illinois - South Central217106Illinois - Southern618105Illinois - West Central309108Indiana260109Indiana - Central 317110Indiana - Northern219111Indiana - Outside Indianapolis765112Indiana - Southern812113Iowa563114Iowa641115Iowa - Central515116Iowa - Eastern319117Iowa - Western712118Jamaica876119Kansas - Southern620120Kansas - Northern785121Kansas - NorthEast913122Kansas-Wichita area316123Kentucky270124Kentucky859125Kentucky - Eastern606126Kentucky - Western502127Louisiana225128Louisiana337128Louisiana985
139Louisiana - Eastern504130Louisiana - Western318131Maine207132Maryland227133Maryland240134Maryland443135Maryland667136Maryland - Eastern410137Maryland - Southern & Western301138Massachusetts 339139Massachusetts351140Massachusetts774141Massachusetts781142Massachusetts857143Massachusetts978144Massachusetts - Eastern508145Massachusetts - Eastern617146Massachusetts - Eastern413147Michigan231148Michigan 269
149Michigan989150Michigan - Ann Arbor/Ypsilanti734151Michigan - Central517152Michigan - Eastern313153Michigan - Northern810154Michigan - Oakland Cty248155Michigan overlay suspended278156Michigan overlay586157Michigan overlay suspended679158Michigan947
159Michigan - Upper North906160Michigan - Western616161Minnesota320162Minnesota - Minneapolis612163Minnesota - Minneapolis Suburbs763164Minnesota - Minneapolis Suburbs952165Minnesota - Northern218166Minnesota - Southern507167Minnesota - St. Paul651168Mississippi228169Mississippi601170Missouri557171Missouri573172Missouri636173Missouri660174Missouri975175Missouri - Eastern314176Missouri - NorthWest816177Missouri - SouthWest417178Montserrat-Carib 664179Montana406180Nebraska - Eastern402181Nebraska - Western308182Nevada775183Nevada - Clark County702184New Brunswick506185New Hampshire603186New Jersey551187New Jersey848188New Jersey862189New Jersey - Central732190New Jersey - Central908191New Jersey - NorthEast201192New Jersey - Northern973193New Jersey - Southern609194New Jersey - Southern856195New Mexico505196New Mexico575197New York586198New York845199New York City917200New York - Nassau County LI516201New York - Manhattan212202New York - Manhattan (split from 212)646203New York - North Central315204New York - NorthEast518205New York - NYC-not Mnhtn (split from 718)347206New York - NYC except Mnhtn718207New York - South Central607208New York - Southern914209New York - Suffolk County LI631210New York - Western716211North Carolina252212North Carolina336213North Carolina828214North Carolina910215North Carolina980216North Carolina984217North Carolina - Eastern919218North Carolina - Western704219North Dakota701220Ohio283221Ohio380222Ohio567223Ohio - Cleveland216224Ohio - Columbus Area614225Ohio - Dayton, SW Ohio937226Ohio - Eastern330227Ohio (overlay 330)234228Ohio - Northeast 440229Ohio - NorthWest419230Ohio - SouthEast740231Ohio - SouthWest513232Oklahoma580233Oklahoma - NorthEast918234Oklahoma- Southern & Western405235Oregon - Portland tri-metro503236Oregon541237Oregon971238Pennsylvania 445239Pennsylvania610240Pennsylvania835241Pennsylvania878242Pennsylvania (overlay 610)484243Pennsylvania - East Central717244Pennsylvania - (split 717)570245Pennsylvania - Pittsburgh412246Pennsylvania - SouthEast215247Pennsylvania (overlay 215)267248Pennsylvania - West Central814249Pennsylvania - Western724250Puerto Rico - Carib787251Puerto Rico939252Rhode Island401253Saskatchewan306254South Carolina803255South Carolina843256South Carolina864257South Dakota605258Tennessee 731259Tennessee865260Tennessee931261Tennessee - Eastern423261Tennessee - Middle/Western615263Tennessee - Western901264Texas325265Texas - (split from 512)361266Texas430267Texas432268Texas469269Texas682270Texas737271Texas979272Texas - Dallas214273Texas - Dallas972274Texas - Ft. Worth254275Texas - Ft. Worth940276Texas - Houston713277Texas - Houston Area281278Texas - Houston area832279Texas - Laredo/Brownsville956280Texas - North Central817281Texas - North Panhandle806282Texas - NorthEast903283Texas - San Antonio210284Texas - South, near San Antonio830285Texas - SouthEast409286Texas - (split from 409)936287Texas - Southern512288Texas - Western915
289US Virgin Islands340290Utah385291Utah435292Utah801293Vermont802294Virginia276295Virginia434296Virginia540297Virginia571298Virginia757299Virginia - Northern & Western703300Virginia - SouthEast804301Washington - Eastern509302Washington - Seattle206303Washington - Seattle east suburbs425304Washington - Tacoma253305Washington - Western360306Washington - (overlay 360)564307West Virginia304308Wisconsin 262309Wisconsin920310Wisconsin - Eastern414311Wisconsin - Northern715312Wisconsin - SouthWest608313Wyoming307314Yukon/N.W.Terr´s867315Toll-Free Service866316Inbound International456317International Access011318Paid 800 Service880319Paid 888 Service881320Paid 877 Service882321Personal Communication Svcs500322Repair Service611323Reserved Special Function311324Service access code200325Service Access Code300326Service Access Code400327Service Varies by LD Carrier700328Special Function 711329Special Function811330Toll-Free800331Toll-Free877332Toll-Free888333Value Added Information Service Code900