美国电话区号4是哪里？

＋1 是美国
401 RI -5 Rhode Island
402 NE -6 E Nebraska: Omaha, Lincoln
403 AB -7 Canada: Southern Alberta (see 780, 867)
404 GA -5 N Georgia: Atlanta and suburbs (see overlay 678, split 770)
405 OK -6 W Oklahoma: Oklahoma City (see 580)
406 MT -7 Montana
407 FL -5 Central Florida: Metro Orlando (see overlay 689, eff 7/02; split 321)
408 CA -8 Cent. Coastal California: San Jose (see overlay 669)
409 TX -6 SE Texas: Galveston, Port Arthur, Beaumont (splits 936, 979)
410 MD -5 E Maryland: Baltimore, Annapolis, Chesapeake Bay area, Ocean City (see 443)
411 -- -- Reserved for special applications
412 PA -5 W Pennsylvania: Pittsburgh (see split 724, overlay 878)
413 MA -5 W Massachusetts: Springfield
414 WI -6 SE Wisconsin: Milwaukee County (see splits 920, 262)
415 CA -8 California: San Francisco County and Marin County on the north side of the Golden Gate Bridge, extending north to Sonoma County (see 6