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To send an SMS to an Israeli number, use +972 and remove the local leading 0. For example, convert 05X-XXX-XXXX to +972 5X XXX XXXX. Hebrew text can switch a message to UCS-2 encoding, reducing how much text fits in each SMS segment. Sender-ID rules and delivery routes vary by provider, so check the route, registration requirements and segment estimate before sending.
How to format an Israeli phone number with +972
Israel’s country calling code is +972. When converting a domestic number to international format, remove the initial trunk 0, preserve the remaining significant number, and add +972. Do not keep the trunk zero after adding the country code.
- Start with the Israeli number as provided, including its initial
0if present. - Remove only that domestic leading
0. - Prefix the remaining digits with
+972. - Check the result against the recipient or a current numbering source if the number looks incomplete or its type is unclear.
For example, 05X-XXX-XXXX becomes +972 5X XXX XXXX. This is a format example, not a validation of any particular number. A 2017 ITU notice reports national significant numbers of eight to nine digits, excluding the country code; it is useful for broad structure, not as a current allocation table. See the ITU Israel numbering-plan notice and the Israeli government numbering plan dataset for current allocation information.
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Do not use an old prefix chart to infer a subscriber’s carrier. Number portability and new allocations mean a prefix is not a reliable guarantee of the current provider. E.164 defines the international numbering structure; the ITU’s current E.164 recommendation listing identifies the standard’s scope.
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- This is a physical SIM card. It is not for phones that only accept E-SIMS. The phone must be unlocked.
- Must be activated with a plan online via the website in order for the sim card to pick up service in Israel. View service plans at TripleTel website.
- All plans come with an Israeli phone number and a USA phone number. All plans are unlimited to Israel, USA & Canada. View plans on TripleTel website.
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- Only works in Israel. Compatible with any unlocked phone. All SIM card sizes included: Nano / Micro / Standard.
Why Hebrew can use more SMS segments
In Twilio’s documented behavior, the default SMS encoding is GSM-7 (called GCM-7 in its guide). Hebrew characters are outside that set. If a message includes a character outside the default set, Twilio switches the entire message to UCS-2. That can happen even when most of the text is in Latin characters; punctuation or emoji may also trigger the switch.
UCS-2 uses more data per character than a seven-bit encoding, so fewer characters fit into each SMS segment. A longer message may consequently be split into more segments. Segment counts depend on the full message and the provider’s implementation; there is no Israel-specific character quota established by the referenced guidance. Use your provider’s live segment calculator with the actual mixed Hebrew and Latin text before sending. Twilio explains its encoding behavior in its international SMS guide.
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Choosing a sender ID and route
Sender-ID options depend on the provider, the origin of the traffic and whether the message is domestic or international. Twilio’s Israel guidance lists alphanumeric sender IDs, domestic and international long codes, and registration options. Its routing statements apply to Twilio and should not be treated as rules for every provider or carrier.
- Alphanumeric sender ID: Twilio lists this option for Israel. It is one-way on Twilio, so recipients cannot reply directly to that sender ID. Registration requirements depend on the sending entity and traffic conditions.
- Long code: Twilio lists domestic and international long codes. It says Israeli operators actively block international traffic sent over local long codes; its page also says international long-code sender IDs are not preserved on its platform.
- Sender preservation: Twilio warns that some international numeric sender IDs may be replaced on certain networks. Confirm what recipients will see on the intended route.
- Destination type: Twilio says its API cannot send SMS to landline destinations. Confirm that the destination is a supported mobile number rather than assuming the number type from a prefix alone.
Twilio’s Israel page also warns that local non-real numbers—for example, a company fixed-line number used as a sender—are not allowed and may be rejected. Review its Israel SMS guidance for the platform-specific route details.
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- Includes International Calls & Texts (Up to 15 mins / 55 texts) – Allowance depends on the destination country tier. Designed for travelers who need both data and voice connectivity.
- Plug & Go! No Activation Needed – Just insert the SIM card into your unlocked phone upon arrival and connect instantly. Perfect for travelers!
- Triple-Cut SIM Design – Compatible with all devices (Standard, Micro, and Nano SIM sizes). Fits your phone seamlessly.
When registration may apply on Twilio
A separate Twilio support page says Israeli companies sending more than 30,000 SMS per month must register under the policy described there. It says companies based elsewhere or sending below that volume do not need to register under that stated condition. This threshold is Twilio policy, not a general Israeli rule; verify current eligibility and registration steps for your company and campaign in Twilio’s sender-ID registration guidance.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Pre-send checks for an Israel SMS campaign
Before launch, compare providers and routes against the requirements that affect delivery and replies:
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- Israel SIM Card Prepaid has 6GB mobile data with 4G/5G speeds.
- Use VoIP apps to make local and international calls. Calls made to your number are at no cost.
- The plan on your Israeli SIM Card is valid for 30days. Please send us an activation request at least one day before your desired start date. Activation can take up to 24hours. Activation instructions included in your package. They are in English and German.
- SIM Card Israel has standard, micro and nano SIM card sizes. These can be used in iOS and Android mobile devices.
- To top up your Israel SIM, simply send us an activation request at least two days before the plan expires. Customer service available in English, French and German.
- Whether your traffic is domestic or international, and whether the sender is an alphanumeric ID or a local or international long code.
- Whether sender registration applies to your company location and expected message volume.
- Whether the intended sender ID will be displayed as requested and whether recipients can reply.
- How the provider encodes Hebrew and mixed-script content, calculates segments, and handles concatenated messages.
- Whether the destination is a supported mobile number.
Twilio recommends obtaining opt-in, sending during local daytime except for urgent messages, supporting HELP and STOP in the recipient’s language, and avoiding numbers on do-not-call or do-not-disturb registries. These are provider recommendations, not a complete account of legal obligations; check the rules applicable to your campaign and audience.
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