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A1 Reverse Phone Lookup & Temp Numbers

Instantly identify unknown callers or receive one-time sms verification with anonymous A1 numbers in Bulgaria—no signup or personal data required.

Why Choose A1 for Reverse Phone Lookup & Temp Numbers?

A1 delivers carrier-grade reliability and nationwide coverage in Bulgaria, whether you’re identifying unknown callers or securing one-time OTPs—no personal number required.

Supported Use Cases

  • Reverse phone lookup for immediate caller identification
  • Online verification (Google, Facebook, Twitter)
  • Messaging apps (WhatsApp, Telegram, Snapchat)
  • E-commerce & banking registrations

How It Works

  1. Select Action & Number: Choose “Reverse Lookup” or “Receive SMS” below, then pick your A1 number.
  2. Perform Lookup or Verification: Enter the number to identify callers or receive one-time codes.
  3. View Results & Recycle: Click your number to see details or messages; all data auto-expires after 30 minutes.
Users who wish to create a secure account can visit the Temp SMS Online homepage for detailed information about our service.
Bulgaria flag Bulgaria
+90 available

359886068047

Reverse Lookup
Bulgaria flag Bulgaria
+63 available

+359884288095

Reverse Lookup
Bulgaria flag Bulgaria
+66 available

+359882724974

Reverse Lookup
Bulgaria flag Bulgaria
+53 available

+359886184168

Reverse Lookup
Bulgaria flag Bulgaria
+63 available

+359882771134

Reverse Lookup
Bulgaria flag Bulgaria
+93 available

+359882561927

Reverse Lookup
Serbia flag Serbia
+76 available

+381611703616

Reverse Lookup
Bulgaria flag Bulgaria
+87 available

+359886875077

Reverse Lookup
Bulgaria flag Bulgaria
+69 available

+359884823957

Reverse Lookup
Bulgaria flag Bulgaria
+63 available

+359886068047

Reverse Lookup
Bulgaria flag Bulgaria
+63 available

+359885686683

Reverse Lookup
Bulgaria flag Bulgaria
+50 available

+359882980543

Reverse Lookup
Bulgaria flag Bulgaria
+88 available

+359887247873

Reverse Lookup
Bulgaria flag Bulgaria
+79 available

+359887247874

Reverse Lookup
Bulgaria flag Bulgaria
+72 available

+359887247995

Reverse Lookup
Bulgaria flag Bulgaria
+74 available

+359886824449

Reverse Lookup

Frequently Asked Questions

A1 maintains 99.97% uptime across Bulgaria (Q1 2024 stats), with Tier-1 partnerships like Orange and Deutsche Telekom. Audited by P3 Communications for GSMA compliance.

99.95% SLA on A1-routed messages. Real-time delivery maps available, leveraging their 15,000+ cell towers in Bulgaria.

Full compliance with Bulgaria’s FCC/Ofcom regulations. Carrier-aggregation certified since 2018.

Proprietary anti-flagging algorithms + monthly number rotation. Partnered with HGC Global Communications for clean routing.

12-15ms median latency (per Ookla 2024 report). Uses dual-path routing via AWS Local Zones and A1’s edge nodes.

Yes. 5G SA/NR-capable with Huawei CloudMessaging Core. Tested on 200+ device models.

Dynamic recycling: 24 hours for urban areas, 48 hours rural. Complies with Bulgaria’s number-pooling laws.

End-to-end AES-256 + SM9 quantum-resistant encryption for Bulgaria-regulated sectors.

Choose from 50+ A1 prefixes in Bulgaria. Updated weekly via GSMA TADIG standards.

24/7 NOC monitoring with <15min escalation. Backup routing via A1 Telekom Austria during disruptions.

Yes. Licensed under PSD2 for financial SMS. Used by 3/5 top Bulgaria banks.

AI-driven Graylisting (patent #US2023178992A1) + manual audits by Twilio Trust & Safety team.

Number porting takes 4-6 hours. Supports NPAC/LSMS systems with API-driven porting workflow.

Yes. GSMA UCP/EMI protocol compliant. 10-segment messages tested on Nokia MMSC platforms.

Automatic weekly updates via Telcordia SR-3381 standards. Force sync via carrier dashboard.

Multi-cloud failover to OVHcloud/IBM Cloud. 100% message recovery during 2023 Bulgaria earthquakes.

Yes. Pre-registered IDs in Bulgaria’s national registry. 1-hour approval for new requests.

Download 2024 Q1 report: 98.4% MoS score (PESQ testing), 0.001% packet loss in Bulgaria.

Yes. Granular route control via dashboard. Historical blocklist analytics included.

2023 "Best Regional Carrier" (Viavi Solutions award). 40% lower latency than Bulgaria’s industry average.