Whether you’re calling family, friends, or business contacts, knowing how to call United States correctly helps your conversation start smoothly. This guide covers the essential dialing steps, including country and area codes that are easy to miss. By the end, you’ll be ready to connect confidently with anyone in United States - whether you’re calling Washington, D.C. or anywhere else.
Step-by-Step Dialing Guide
Follow these simple steps to make a call to United States from Czech Republic
International Guide
1
Dial the exit code for Czech Republic
Start by dialing 00 (or use + on mobile). This is the international dialing prefix for Czech Republic.
2
Add United States's country code
Dial the country code +1 for United States.
3
Enter the local phone number
Dial the local phone number in United States (typically 8-10 digits, without any leading zeros).
4
Complete dialing format
Full format: 00 1 [local number] - For example: 00 1 612 345 678
HOW TO CALL
International Dialing Format
001201 555 0123
Exit Code•Country Code•Phone Number
CallTuv Format
+1201 555 0123
Use this format to call directly from your browser
United States, located in North America, is a nation with a rich identity. Its capital city, Washington, D.C., serves as the administrative center for a population of approximately 340M.
The official currency is the United States dollar ($). When calling United States, the country code is +1. The country observes the UTC-12:00, UTC-11:00, UTC-10:00, UTC-09:00, UTC-08:00, UTC-07:00, UTC-06:00, UTC-05:00, UTC-04:00, UTC+10:00, UTC+12:00 time zone(s), and the primary language(s) spoken include English.
Destination Calling Profile: United States
Population
340M
Population Rank
#2 of 230
Language Footprint
English
Time Zone Footprint
UTC-12:00, UTC-11:00 +9 more
City/Area Code Coverage
320 locations listed
Dial Code Status
Shared with 1 country
United States currently has a 10-digit local number pattern in this guide, with country code +1.
This code is shared with: Canada.
Route Profile: Czech Republic to United States
Exit Code in Czech Republic
00 (dial 00 (or + from mobile))
Czech Republic Country Code
+420
Route Dialing Pattern
00 1 201 555 0123
Capital Time Difference
13h destination behind
Best Calling Window (Origin Time)
22:00-23:59 and 00:00-07:00
Currency Pair
Czech koruna (Kč) -> United States dollar ($)
Primary languages: Czech Republic (Czech, Slovak) and United States (English).
Shared language overlap: No direct overlap in primary language list. Primary timezones: Czech Republic (UTC+01:00) and United States (UTC-12:00, UTC-11:00, UTC-10:00, UTC-09:00, UTC-08:00, UTC-07:00, UTC-06:00, UTC-05:00, UTC-04:00, UTC+10:00, UTC+12:00).
Detailed route planning
Route planning details: Czech Republic to United States
Use this route profile to plan a real call from Czech Republic to United States, including the exit code, destination country code, time difference, and local context.
For dialing this route, callers in Czech Republic usually start with 00 or the plus sign, then dial +1 before the local United States number.
Czech Republic's primary timezone in this dataset is UTC+01:00, while United States's is UTC-12:00. A practical origin-time calling window is 22:00-23:59 or 00:00-07:00.
Dialing from Czech Republic
Czech Republic callers are represented by CZ/CZE, with Prague as a capital reference point, Central Europe, 11M people, Czech koruna (Kč), and primary language context of Czech, Slovak.
Origin exit prefix: 00 or + from mobile. Origin country code: +420. Origin time zones: UTC+01:00.
United States dialing details
United States is represented here by US/USA, Washington, D.C., North America, about 340M people, United States dollar ($), and primary language context of English.
Destination calling code: +1. Destination time zones: UTC-12:00, UTC-11:00, UTC-10:00, UTC-09:00 +7 more. Rate check: check live price before dialing.
Czech Republic to United States call planning
This route combines Czech Republic's outbound dialing rules with United States's destination numbering and local schedule. The primary timezone relationship is 13h destination behind, and the recommended origin-time window is 22:00-23:59 or 00:00-07:00.
Dialing sequence: 00 1 local number. Business-hour window: 22:00-23:59 or 00:00-07:00. Time relationship: 13h destination behind.
Destination market: United States is in North America, with Washington, D.C. as a main administrative center. Calls from Czech Republic may reach family, companies, banks, hotels, clinics, or public offices across a market of about 340M. Primary language context: English. Local billing and everyday prices use United States dollar ($).
Route context: Czech Republic is listed in Central Europe with a population of about 11M; United States is listed in North America with about 340M. The main listed languages differ: Czech Republic (Czech, Slovak) and United States (English). Currency context also changes across the route: Czech koruna (Kč) in Czech Republic and United States dollar ($) in United States.
From Czech Republic, the conventional international prefix is 00; mobile callers can usually use +, then +1, then the United States local number.Prague to Washington, D.C. has a 13h destination behind time relationship, so check the destination workday before placing business or support calls.United States language context: English. Keep this in mind when calling businesses, hotels, banks, or local services.For United States, check whether you are calling a landline or mobile number because those prices can differ; current context: check live price before dialing.
City & Area Codes for United States
320 Locations
City / Region
Area Code
Full Dialing Pattern
Abilene
1-325
+1-325 [local number]
Akron
1-330
+1-330 [local number]
Akron
1-234
+1-234 [local number]
Albany
1-518
+1-518 [local number]
Albany
1-229
+1-229 [local number]
Albuquerque
1-957
+1-957 [local number]
Albuquerque
1-505
+1-505 [local number]
Alexandria
1-320
+1-320 [local number]
Alton
1-730
+1-730 [local number]
Alton
1-618
+1-618 [local number]
Anaheim
1-657
+1-657 [local number]
Anaheim
1-909
+1-909 [local number]
Anaheim
1-752
+1-752 [local number]
Anaheim
1-714
+1-714 [local number]
Anchorage
1-907
+1-907 [local number]
Ann Arbor
1-734
+1-734 [local number]
Ann Arbor
1-278
+1-278 [local number]
Arlington
1-703
+1-703 [local number]
Arlington
1-571
+1-571 [local number]
Asheville
1-828
+1-828 [local number]
Ashland
1-606
+1-606 [local number]
Atlanta
1-404
+1-404 [local number]
Atlanta
1-770
+1-770 [local number]
Atlanta
1-678
+1-678 [local number]
Atlanta
1-470
+1-470 [local number]
Atlantic City
1-609
+1-609 [local number]
Augusta
1-762
+1-762 [local number]
Augusta
1-706
+1-706 [local number]
Aurora
1-331
+1-331 [local number]
Austin
1-737
+1-737 [local number]
Austin
1-512
+1-512 [local number]
Baltimore
1-667
+1-667 [local number]
Baltimore
1-443
+1-443 [local number]
Baltimore
1-410
+1-410 [local number]
Baton Rouge
1-225
+1-225 [local number]
Bellevue
1-425
+1-425 [local number]
Bellingham
1-360
+1-360 [local number]
Bethesda
1-240
+1-240 [local number]
Bethlehem
1-610
+1-610 [local number]
Bethlehem
1-484
+1-484 [local number]
Bethlehem
1-835
+1-835 [local number]
Billings
1-406
+1-406 [local number]
Biloxi
1-228
+1-228 [local number]
Birmingham
1-659
+1-659 [local number]
Birmingham
1-205
+1-205 [local number]
Bloomington
1-952
+1-952 [local number]
Boise
1-208
+1-208 [local number]
Boston
1-857
+1-857 [local number]
Boston
1-617
+1-617 [local number]
Brattleboro
1-802
+1-802 [local number]
Brentwood
1-631
+1-631 [local number]
Bridgeport
1-203
+1-203 [local number]
Bridgeport
1-475
+1-475 [local number]
Brooklyn
1-718
+1-718 [local number]
Brooklyn
1-347
+1-347 [local number]
Bryan
1-979
+1-979 [local number]
Burbank
1-818
+1-818 [local number]
Burbank
1-747
+1-747 [local number]
Camden
1-856
+1-856 [local number]
Cape Coral
1-239
+1-239 [local number]
Cedar Rapids
1-319
+1-319 [local number]
Champaign
1-447
+1-447 [local number]
Champaign
1-217
+1-217 [local number]
Charleston
1-843
+1-843 [local number]
Charleston
1-681
+1-681 [local number]
Charleston
1-304
+1-304 [local number]
Charlotte
1-980
+1-980 [local number]
Charlotte
1-704
+1-704 [local number]
Chattanooga
1-423
+1-423 [local number]
Chicago
1-872
+1-872 [local number]
Chicago
1-773
+1-773 [local number]
Chicago
1-312
+1-312 [local number]
Chicopee
1-413
+1-413 [local number]
Cicero
1-708
+1-708 [local number]
Cicero
1-464
+1-464 [local number]
Cincinatti
1-283
+1-283 [local number]
Cincinnati
1-513
+1-513 [local number]
Clarksville
1-931
+1-931 [local number]
Cleveland
1-440
+1-440 [local number]
Cleveland
1-216
+1-216 [local number]
Columbia
1-573
+1-573 [local number]
Columbia
1-803
+1-803 [local number]
Columbus
1-614
+1-614 [local number]
Columbus
1-380
+1-380 [local number]
Concord
1-925
+1-925 [local number]
Corpus Christi
1-361
+1-361 [local number]
Dallas
1-214
+1-214 [local number]
Dallas
1-972
+1-972 [local number]
Dallas
1-469
+1-469 [local number]
Daly City
1-764
+1-764 [local number]
Daly City
1-650
+1-650 [local number]
Danville
1-276
+1-276 [local number]
Davenport
1-563
+1-563 [local number]
Dayton
1-937
+1-937 [local number]
Daytona Beach
1-386
+1-386 [local number]
Denton
1-940
+1-940 [local number]
Denver
1-720
+1-720 [local number]
Denver
1-303
+1-303 [local number]
Detroit
1-313
+1-313 [local number]
Detroit
1-679
+1-679 [local number]
Dodge City
1-620
+1-620 [local number]
Duluth
1-218
+1-218 [local number]
Eau Claire
1-715
+1-715 [local number]
Eau Claire
1-534
+1-534 [local number]
Edison
1-848
+1-848 [local number]
Edison
1-732
+1-732 [local number]
El Paso
1-915
+1-915 [local number]
Elizabeth
1-908
+1-908 [local number]
Elmira
1-607
+1-607 [local number]
Erie
1-814
+1-814 [local number]
Escondido
1-760
+1-760 [local number]
Escondido
1-442
+1-442 [local number]
Eugene
1-541
+1-541 [local number]
Eugene
1-458
+1-458 [local number]
Evansville
1-812
+1-812 [local number]
Fargo
1-701
+1-701 [local number]
Fayetteville
1-910
+1-910 [local number]
Flint
1-810
+1-810 [local number]
Fort Lauderdale
1-954
+1-954 [local number]
Fort Lauderdale
1-754
+1-754 [local number]
Fort Smith
1-479
+1-479 [local number]
Fort Wayne
1-260
+1-260 [local number]
Fort Worth
1-682
+1-682 [local number]
Fort Worth
1-817
+1-817 [local number]
Fresno
1-559
+1-559 [local number]
Gainesville
1-352
+1-352 [local number]
Galveston
1-409
+1-409 [local number]
Gary
1-219
+1-219 [local number]
Grand Junction
1-970
+1-970 [local number]
Grand Rapids
1-616
+1-616 [local number]
Grant
1-231
+1-231 [local number]
Green Bay
1-920
+1-920 [local number]
Green Bay
1-274
+1-274 [local number]
Greensboro
1-336
+1-336 [local number]
Greenville
1-864
+1-864 [local number]
Hamilton
1-254
+1-254 [local number]
Hammond
1-985
+1-985 [local number]
Hartford
1-959
+1-959 [local number]
Hartford
1-860
+1-860 [local number]
Hempstead
1-516
+1-516 [local number]
Honolulu
1-808
+1-808 [local number]
Houston
1-832
+1-832 [local number]
Houston
1-713
+1-713 [local number]
Houston
1-281
+1-281 [local number]
Huntsville
1-938
+1-938 [local number]
Huntsville
1-256
+1-256 [local number]
Huntsville
1-936
+1-936 [local number]
Indianapolis
1-317
+1-317 [local number]
Iowa City
1-515
+1-515 [local number]
Irvine
1-949
+1-949 [local number]
Jackson
1-769
+1-769 [local number]
Jackson
1-601
+1-601 [local number]
Jackson
1-731
+1-731 [local number]
Jacksonville
1-904
+1-904 [local number]
Jersey City
1-551
+1-551 [local number]
Jersey City
1-201
+1-201 [local number]
Jonesboro
1-870
+1-870 [local number]
Kansas City
1-913
+1-913 [local number]
Kansas City
1-975
+1-975 [local number]
Kansas City
1-816
+1-816 [local number]
Kearney
1-308
+1-308 [local number]
Kenosha
1-262
+1-262 [local number]
Kingston
1-845
+1-845 [local number]
Knoxville
1-865
+1-865 [local number]
Lafayette
1-337
+1-337 [local number]
Lafayette
1-765
+1-765 [local number]
Lakeland
1-863
+1-863 [local number]
Lancaster
1-717
+1-717 [local number]
Lancaster
1-740
+1-740 [local number]
Lansing
1-517
+1-517 [local number]
Laramie
1-307
+1-307 [local number]
Laredo
1-956
+1-956 [local number]
Las Cruces
1-575
+1-575 [local number]
Las Vegas
1-702
+1-702 [local number]
Lawton
1-580
+1-580 [local number]
Lexington
1-859
+1-859 [local number]
Little Rock
1-501
+1-501 [local number]
Long Beach
1-562
+1-562 [local number]
Los Angeles
1-323
+1-323 [local number]
Los Angeles
1-310
+1-310 [local number]
Los Angeles
1-213
+1-213 [local number]
Louisville
1-502
+1-502 [local number]
Lowell
1-978
+1-978 [local number]
Lowell
1-351
+1-351 [local number]
Lubbock
1-806
+1-806 [local number]
Lynchburg
1-434
+1-434 [local number]
Lynn
1-339
+1-339 [local number]
Lynn
1-781
+1-781 [local number]
Macon
1-478
+1-478 [local number]
Madison
1-608
+1-608 [local number]
Manchester
1-603
+1-603 [local number]
Mankato
1-507
+1-507 [local number]
Marshall
1-660
+1-660 [local number]
Mason City
1-641
+1-641 [local number]
Medina
1-830
+1-830 [local number]
Memphis
1-901
+1-901 [local number]
Miami
1-786
+1-786 [local number]
Miami
1-305
+1-305 [local number]
Milwaukee
1-414
+1-414 [local number]
Minneapolis
1-612
+1-612 [local number]
Mobile
1-251
+1-251 [local number]
Montgomery
1-334
+1-334 [local number]
Naperville
1-630
+1-630 [local number]
Nashville
1-615
+1-615 [local number]
New Castle
1-724
+1-724 [local number]
New Orleans
1-504
+1-504 [local number]
New York City
1-917
+1-917 [local number]
New York City
1-646
+1-646 [local number]
New York City
1-212
+1-212 [local number]
Newark
1-973
+1-973 [local number]
Newark
1-862
+1-862 [local number]
Niagara Falls
1-716
+1-716 [local number]
Oakland
1-510
+1-510 [local number]
Oakland
1-341
+1-341 [local number]
Odessa
1-432
+1-432 [local number]
Oklahoma City
1-405
+1-405 [local number]
Omaha
1-531
+1-531 [local number]
Omaha
1-402
+1-402 [local number]
Orlando
1-927
+1-927 [local number]
Orlando
1-689
+1-689 [local number]
Orlando
1-407
+1-407 [local number]
Orlando
1-321
+1-321 [local number]
Otsego
1-269
+1-269 [local number]
Owensboro
1-364
+1-364 [local number]
Owensboro
1-270
+1-270 [local number]
Philadelphia
1-445
+1-445 [local number]
Philadelphia
1-267
+1-267 [local number]
Philadelphia
1-215
+1-215 [local number]
Phoenix
1-623
+1-623 [local number]
Phoenix
1-602
+1-602 [local number]
Phoenix
1-480
+1-480 [local number]
Pittsburgh
1-878
+1-878 [local number]
Pittsburgh
1-412
+1-412 [local number]
Plymouth
1-763
+1-763 [local number]
Pomona
1-626
+1-626 [local number]
Pontiac
1-248
+1-248 [local number]
Port St Lucie
1-772
+1-772 [local number]
Portland
1-971
+1-971 [local number]
Portland
1-503
+1-503 [local number]
Portland
1-207
+1-207 [local number]
Providence
1-401
+1-401 [local number]
Pueblo
1-719
+1-719 [local number]
Raleigh
1-919
+1-919 [local number]
Raleigh
1-984
+1-984 [local number]
Redding
1-530
+1-530 [local number]
Reno
1-775
+1-775 [local number]
Richmond
1-804
+1-804 [local number]
Riverside
1-951
+1-951 [local number]
Roanoke
1-540
+1-540 [local number]
Rochester
1-585
+1-585 [local number]
Rock Island
1-309
+1-309 [local number]
Rockford
1-815
+1-815 [local number]
Rockford
1-779
+1-779 [local number]
Rocky Mount
1-252
+1-252 [local number]
Sacramento
1-916
+1-916 [local number]
Saginaw
1-989
+1-989 [local number]
Salinas
1-831
+1-831 [local number]
Salt Lake City
1-801
+1-801 [local number]
Salt Lake City
1-385
+1-385 [local number]
San Antonio
1-210
+1-210 [local number]
San Diego
1-935
+1-935 [local number]
San Diego
1-858
+1-858 [local number]
San Diego
1-619
+1-619 [local number]
San Francisco
1-628
+1-628 [local number]
San Francisco
1-415
+1-415 [local number]
San Jose
1-408
+1-408 [local number]
San Jose
1-669
+1-669 [local number]
Santa Barbara
1-805
+1-805 [local number]
Santa Clarita
1-661
+1-661 [local number]
Santa Monica
1-424
+1-424 [local number]
Santa Rosa
1-627
+1-627 [local number]
Santa Rosa
1-369
+1-369 [local number]
Santa Rosa
1-707
+1-707 [local number]
Sarasota
1-941
+1-941 [local number]
Sault Ste Marie
1-906
+1-906 [local number]
Savannah
1-912
+1-912 [local number]
Scranton
1-570
+1-570 [local number]
Seattle
1-206
+1-206 [local number]
Seattle
1-564
+1-564 [local number]
Shreveport
1-318
+1-318 [local number]
Silver Spring
1-301
+1-301 [local number]
Silver Spring
1-227
+1-227 [local number]
Sioux City
1-712
+1-712 [local number]
Sioux Falls
1-605
+1-605 [local number]
South Bend
1-574
+1-574 [local number]
Spokane
1-509
+1-509 [local number]
Springfield
1-417
+1-417 [local number]
St. Charles
1-636
+1-636 [local number]
St. George
1-435
+1-435 [local number]
St. Louis
1-314
+1-314 [local number]
St. Louis
1-557
+1-557 [local number]
St. Paul
1-651
+1-651 [local number]
St. Petersburg
1-727
+1-727 [local number]
Starkville
1-662
+1-662 [local number]
Stockton
1-209
+1-209 [local number]
Stockton
1-209
+1-209 [local number]
Syracuse
1-315
+1-315 [local number]
Tacoma
1-253
+1-253 [local number]
Tallahassee
1-850
+1-850 [local number]
Tampa
1-813
+1-813 [local number]
Toledo
1-419
+1-419 [local number]
Toledo
1-567
+1-567 [local number]
Topeka
1-785
+1-785 [local number]
Troy
1-947
+1-947 [local number]
Tucson
1-520
+1-520 [local number]
Tulsa
1-918
+1-918 [local number]
Tyler
1-430
+1-430 [local number]
Tyler
1-903
+1-903 [local number]
Virginia Beach
1-757
+1-757 [local number]
Warren
1-586
+1-586 [local number]
Washington
1-202
+1-202 [local number]
Waukegan
1-847
+1-847 [local number]
Waukegan
1-224
+1-224 [local number]
West Palm Beach
1-561
+1-561 [local number]
Wichita
1-316
+1-316 [local number]
Wilmington
1-302
+1-302 [local number]
Worcester
1-774
+1-774 [local number]
Worcester
1-508
+1-508 [local number]
Yonkers
1-914
+1-914 [local number]
Yuma
1-928
+1-928 [local number]
Area codes are typically followed by the subscriber number.
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