Spain: SMS delivery facts

SMS messages to Spain are addressed with calling code +34. Alphanumeric sender IDs are allowed and commonly used with no centralized registry. The GSM-7 with extension caveats charset means ñ ¿ ¡ é fit GSM-7 for 160-character segments, but á í ó ú do not and may force UCS-2 at 70 characters.

Country calling code+34 (ITU-T E.164 assigned country codes, retrieved 2026-07-27)
E.164 format+34 followed by the national subscriber number, no leading trunk zero, 15 digits maximum overall (ITU-T E.164)
Alphanumeric sender IDallowed (per Spanish mobile network operator practice, retrieved 2026-07-26)
Registration regimeno registration scheme
Dominant language(s)Spanish
Native-text charsetGSM-7 (with caveats) — 160 characters per single SMS, 153 per concatenated segment (GSM 03.38 default alphabet vs script analysis, retrieved 2026-07-27)
Published smsroute rateUSD 0.018 per message, dated snapshot (source, retrieved 2026-07-27). Current rate and send path: rate card for Spain

Sender-ID rules

Alphanumeric sender IDs are commonly used with no centralized registry. (per Spanish mobile network operator practice, verified 2026-07-26)

Alphanumeric sender IDs are commonly used with no centralized registry, as; there is no sender-ID registration scheme per Spanish mobile network operator practice. Under the GSM-7 with extension caveats charset class, ñ ¿ ¡ é fit GSM-7 while á í ó ú do not. Messages therefore use GSM-7 segment sizes of 160 single or 153 concatenated unless non-fitting characters require UCS-2 at 70 single or 67 concatenated.

Character set and message length

Native Spanish text is classed as GSM-7 (with caveats) here: 160 characters fit a single SMS and 153 per segment once a message is concatenated.

ñ ¿ ¡ é fit GSM-7; á í ó ú do not.

To count segments for a concrete message, use the UDH segment surgeon; to compare all 40 countries side by side, the country requirements explorer reads the same open dataset (CC-BY 4.0).

Frequently asked

Are alphanumeric sender IDs allowed when sending SMS to Spain?
Yes, alphanumeric sender IDs are allowed and commonly used with no centralized registry.
What charset and segment lengths apply for SMS to Spain?
The charset class is GSM-7 with extension caveats: ñ ¿ ¡ é fit GSM-7 (160 single / 153 concatenated segments) while á í ó ú do not and may require UCS-2 (70 single / 67 concatenated).
What is the calling code and published rate for SMS to Spain?
The calling code is +34. The published rate is 0.018 USD, retrieved 2026-07-27.

Related

Facts on this page are dated snapshots with named sources; rates change — the linked rate card is authoritative. Corrections: ops@smsroute.cc. Last verified 2026-07-27.