Guides
Check a calling rate, format a number or find an official support line.
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- Official support numbersBusiness, bank and government services, with official contact sources.28 support lines
- Call rates, country by countryWhat a minute costs to every country, with landline and mobile priced separately.221 countries
- How to call, corridor by corridorExit codes, trunk prefixes and the time difference for the routes people actually dial.27 corridors
- US area codesWhich city an area code covers, and which exchanges inside it we refuse and why.24 area codes
- UK non-geographic numbersWhat an 0800, 0300, 0345 or 0844 number costs from abroad, which is not one price.5 ranges
- What your own carrier chargesAT&T, Verizon and T-Mobile against our card, every figure dated and sourced.3 carriers
- Compared with the alternativesWhere each one is the better answer, said before the price is mentioned.7 comparisons
- Free toolsCheck a number, compare rates or estimate a calling budget. No account needed.7 tools and reference pages
One question at a time
- Support for your company abroadRegistered-agent, company-filing and corporate-tax support in the US, Singapore, UK and Dubai.
- EIN verification from abroadCheck online proof options and the IRS Letter 147C contact route for an existing EIN.
- How to call an international numberThe number format, trunk-prefix rule and a browser keypad that shows the price before you call.
- Mobile versus landline call pricesThe full dataset behind our card, including the countries where a landline costs more than a mobile. Free to reuse.
- How Airlophone worksThe whole product in one page: what happens when you press call, and what it costs.
- Calling from a browserWhich browsers carry a call, and what to do when the microphone will not work.
- Calling from a laptop with no phoneEvery free option first, then the paid ones, for when the handset is gone.
- Reaching your bank from another countryWhy the number on the back of the card often fails abroad, and what to dial instead.
- Call Northwest Registered AgentThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call BizeeThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call ZenBusinessThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call ACRAThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call IRAS corporate tax supportThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call HMRC Corporation TaxThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call Companies HouseThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call IFZAThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call IRS supportThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call Chase checking and savings fraud supportThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call Bank of America credit card supportThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call Bank of America business card supportThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call Charles SchwabThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call Charles Schwab International ServicesThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call PayPalThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call US Customs and Border ProtectionThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call US State Department emergency lineThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call Australian immigrationThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call Canada Public Service Pay CentreThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call Canada Revenue Agency business debt supportThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call Canada Taxpayers' OmbudspersonThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call HMRC partnership registrationThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call HMRC Inheritance TaxThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call IRS EIN applicationsThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call IRS Non-Master File teamThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call American Express for a lost cardThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call UPS NigeriaThe official number, source, hours and an Airlophone keypad already filled with the number.
- Call UPS PakistanThe official number, source, hours and an Airlophone keypad already filled with the number.
- Reaching an embassy or consulateHow these lines are structured, and why the published number is rarely the one that answers.
- Toll-free numbers from abroadFree at home does not mean reachable from overseas. Usually it means the opposite.
- Calling a landline from WhatsAppWhatsApp cannot dial an ordinary number. What it does instead, and what to use when it will not.
- Compared with roamingWhere roaming genuinely wins, and the bands where it does not come close.