diff --git a/app/app/Services/DaData/DaDataBudgetGuard.php b/app/app/Services/DaData/DaDataBudgetGuard.php
new file mode 100644
index 00000000..8d66ef1d
--- /dev/null
+++ b/app/app/Services/DaData/DaDataBudgetGuard.php
@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\DaData;
+
+use Illuminate\Support\Facades\Cache;
+
+/**
+ * Дневной бюджет на платные вызовы DaData (spec §5.3 / §11).
+ *
+ * Расход копится в копейках под дневным ключом `phone_resolution:dadata:spent_kopecks:<YYYY-MM-DD>`.
+ * `Cache::increment` на redis-сторе атомарен (INCRBY) — корректно при параллельных
+ * RouteSupplierLeadJob. Дневной ключ сам обнуляется со сменой даты; TTL 2 дня чистит старые.
+ *
+ * При canSpend()=false LeadRegionResolver минует DaData и идёт сразу в Россвязь (spec §3.3).
+ */
+class DaDataBudgetGuard
+{
+    public function canSpend(): bool
+    {
+        $capKopecks = ((int) config('services.dadata.daily_cap_rub', 10000)) * 100;
+
+        return $this->spentTodayKopecks() < $capKopecks;
+    }
+
+    public function recordSpend(int $kopecks): void
+    {
+        if ($kopecks <= 0) {
+            return;
+        }
+
+        $key = $this->dailyKey();
+        Cache::add($key, 0, now()->addDays(2));
+        Cache::increment($key, $kopecks);
+    }
+
+    public function spentTodayKopecks(): int
+    {
+        return (int) Cache::get($this->dailyKey(), 0);
+    }
+
+    private function dailyKey(): string
+    {
+        return 'phone_resolution:dadata:spent_kopecks:'.now()->format('Y-m-d');
+    }
+}
diff --git a/app/app/Services/DaData/DaDataException.php b/app/app/Services/DaData/DaDataException.php
new file mode 100644
index 00000000..b67eb35f
--- /dev/null
+++ b/app/app/Services/DaData/DaDataException.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\DaData;
+
+use RuntimeException;
+
+/**
+ * Не-2xx ответ DaData (после исчерпания retry) или иная ошибка вызова.
+ * LeadRegionResolver ловит её и деградирует на Россвязь (spec §3.3).
+ */
+class DaDataException extends RuntimeException {}
diff --git a/app/app/Services/DaData/DaDataPhoneClient.php b/app/app/Services/DaData/DaDataPhoneClient.php
new file mode 100644
index 00000000..ff03dadf
--- /dev/null
+++ b/app/app/Services/DaData/DaDataPhoneClient.php
@@ -0,0 +1,93 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\DaData;
+
+use Illuminate\Http\Client\ConnectionException;
+use Illuminate\Http\Client\Factory as HttpFactory;
+
+/**
+ * HTTP-обёртка над DaData clean/phone (spec §3.6).
+ *
+ * POST https://cleaner.dadata.ru/api/v1/clean/phone
+ *   Authorization: Token <key> ; X-Secret: <secret> ; body ["<phone>"]
+ *
+ * Retry — только на сетевые ошибки и 5xx (4xx → сразу DaDataException, без retry).
+ * Сеть/таймаут после исчерпания retry → DaDataTimeoutException; 5xx → DaDataException.
+ * Конвенция клиента зеркалит App\Services\Supplier\SupplierPortalClient (inject HttpFactory).
+ */
+class DaDataPhoneClient
+{
+    private const URL = 'https://cleaner.dadata.ru/api/v1/clean/phone';
+
+    public function __construct(
+        private readonly HttpFactory $http,
+    ) {}
+
+    public function cleanPhone(string $phone): DaDataPhoneResponse
+    {
+        $cfg = (array) config('services.dadata');
+        $timeoutSec = max(1, (int) round(((int) ($cfg['timeout_ms'] ?? 2000)) / 1000));
+        $attempts = max(1, (int) ($cfg['retries'] ?? 1) + 1);
+        $apiKey = (string) ($cfg['api_key'] ?? '');
+        $secret = (string) ($cfg['secret'] ?? '');
+
+        $lastException = null;
+
+        for ($attempt = 0; $attempt < $attempts; $attempt++) {
+            try {
+                $response = $this->http
+                    ->asJson()
+                    ->acceptJson()
+                    ->timeout($timeoutSec)
+                    ->withHeaders([
+                        'Authorization' => 'Token '.$apiKey,
+                        'X-Secret' => $secret,
+                    ])
+                    ->post(self::URL, [$phone]);
+            } catch (ConnectionException $e) {
+                $lastException = new DaDataTimeoutException(
+                    'DaData connection failed: '.$e->getMessage(), 0, $e,
+                );
+
+                continue; // сеть → retry
+            }
+
+            if ($response->serverError()) {
+                $lastException = new DaDataException('DaData 5xx: HTTP '.$response->status());
+
+                continue; // 5xx → retry
+            }
+
+            if (! $response->successful()) {
+                // 4xx — клиентская ошибка, retry бессмыслен.
+                throw new DaDataException('DaData HTTP '.$response->status().': '.$response->body());
+            }
+
+            return $this->parse($response->json());
+        }
+
+        throw $lastException ?? new DaDataException('DaData failed without a response');
+    }
+
+    /**
+     * @param  mixed  $body  декодированный JSON (ожидается массив с одним объектом)
+     */
+    private function parse($body): DaDataPhoneResponse
+    {
+        $row = (is_array($body) && isset($body[0]) && is_array($body[0])) ? $body[0] : [];
+
+        return new DaDataPhoneResponse(
+            qc: isset($row['qc']) ? (int) $row['qc'] : null,
+            qcConflict: isset($row['qc_conflict']) ? (int) $row['qc_conflict'] : null,
+            type: isset($row['type']) ? (string) $row['type'] : null,
+            phone: isset($row['phone']) ? (string) $row['phone'] : null,
+            provider: isset($row['provider']) ? (string) $row['provider'] : null,
+            region: isset($row['region']) ? (string) $row['region'] : null,
+            city: isset($row['city']) ? (string) $row['city'] : null,
+            timezone: isset($row['timezone']) ? (string) $row['timezone'] : null,
+            raw: $row,
+        );
+    }
+}
diff --git a/app/app/Services/DaData/DaDataPhoneResponse.php b/app/app/Services/DaData/DaDataPhoneResponse.php
new file mode 100644
index 00000000..3135c095
--- /dev/null
+++ b/app/app/Services/DaData/DaDataPhoneResponse.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\DaData;
+
+/**
+ * Распарсенный ответ DaData clean/phone (один номер → один объект), spec §3.6.
+ */
+final class DaDataPhoneResponse
+{
+    /**
+     * @param  array<string, mixed>  $raw  полный сырой объект ответа (для маскированного лога)
+     */
+    public function __construct(
+        public readonly ?int $qc,
+        public readonly ?int $qcConflict,
+        public readonly ?string $type,
+        public readonly ?string $phone,
+        public readonly ?string $provider,
+        public readonly ?string $region,
+        public readonly ?string $city,
+        public readonly ?string $timezone,
+        public readonly array $raw,
+    ) {}
+}
diff --git a/app/app/Services/DaData/DaDataQualityCode.php b/app/app/Services/DaData/DaDataQualityCode.php
new file mode 100644
index 00000000..7cc7ae39
--- /dev/null
+++ b/app/app/Services/DaData/DaDataQualityCode.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\DaData;
+
+/**
+ * Код качества (`qc`) ответа DaData clean/phone.
+ *
+ * Семантика DaData:
+ *   0 — телефон распознан уверенно;
+ *   1 — распознан с допущениями (требует проверки);
+ *   2 — пустой / невозможно распознать;
+ *   3 — несколько телефонов в одном поле;
+ *   7 — иностранный номер.
+ *
+ * Решения каскада по qc — в LeadRegionResolver (spec §3.4). Enum используется
+ * для читаемости и tryFrom() при парсинге; необъявленные значения остаются как int.
+ */
+enum DaDataQualityCode: int
+{
+    case RECOGNIZED = 0;
+    case ASSUMPTIONS = 1;
+    case EMPTY = 2;
+    case MULTIPLE = 3;
+    case FOREIGN = 7;
+}
diff --git a/app/app/Services/DaData/DaDataTimeoutException.php b/app/app/Services/DaData/DaDataTimeoutException.php
new file mode 100644
index 00000000..4fb2524d
--- /dev/null
+++ b/app/app/Services/DaData/DaDataTimeoutException.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\DaData;
+
+/**
+ * Сетевая ошибка / таймаут DaData (после исчерпания retry на сетевые сбои).
+ * Подкласс DaDataException — catch(DaDataException) покрывает оба случая.
+ */
+class DaDataTimeoutException extends DaDataException {}
diff --git a/app/app/Support/DaDataRegionMap.php b/app/app/Support/DaDataRegionMap.php
new file mode 100644
index 00000000..205091d7
--- /dev/null
+++ b/app/app/Support/DaDataRegionMap.php
@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Support;
+
+/**
+ * Маппинг строки региона из ответа DaData → код субъекта РФ (1..89).
+ *
+ * DaData возвращает регион в поле `region` (например «Москва», «Московская область»).
+ * Большинство имён точно совпадают с App\Support\RussianRegions::CODE_TO_NAME;
+ * расхождения (если найдутся на staging) кладутся в OVERRIDES.
+ *
+ * «Объединённые» агломерации («Санкт-Петербург и область») — DaData не различает
+ * город и область внутри поля region. Такие строки помечаются isAmbiguous() →
+ * LeadRegionResolver уходит за точным subject_code в Россвязь (spec §3.4.1).
+ */
+final class DaDataRegionMap
+{
+    /**
+     * Строки-агломерации, по которым нельзя однозначно определить субъект.
+     * Расширяется по реальным наблюдениям на staging (spec §3.4.1).
+     *
+     * @var list<string>
+     */
+    public const AMBIGUOUS_REGIONS = [
+        'Санкт-Петербург и область',
+        'Москва и область',
+    ];
+
+    /**
+     * Ручные переопределения для имён DaData, не совпадающих с RussianRegions.
+     * На старте пуст — заполняется по findings со staging-smoke.
+     *
+     * @var array<string, int>
+     */
+    public const OVERRIDES = [];
+
+    public static function toSubjectCode(string $name): ?int
+    {
+        $name = trim($name);
+        if ($name === '') {
+            return null;
+        }
+
+        return self::OVERRIDES[$name] ?? RussianRegions::nameToCode()[$name] ?? null;
+    }
+
+    public static function isAmbiguous(string $name): bool
+    {
+        return in_array(trim($name), self::AMBIGUOUS_REGIONS, true);
+    }
+}
diff --git a/app/config/services.php b/app/config/services.php
index 20f1e7e9..1f046757 100644
--- a/app/config/services.php
+++ b/app/config/services.php
@@ -42,4 +42,17 @@ return [
         'alert_email' => env('SUPPLIER_ALERT_EMAIL', 'ops@liderra.ru'),
     ],
 
+    // DaData phone cleaner — резолв региона лида по телефону (lead region resolution).
+    // Ключи → YC Lockbox на проде; на dev/staging — .env. enabled=false до раскатки.
+    'dadata' => [
+        'api_key' => env('DADATA_API_KEY'),
+        'secret' => env('DADATA_SECRET'),
+        'timeout_ms' => (int) env('DADATA_TIMEOUT_MS', 2000),
+        'retries' => (int) env('DADATA_RETRIES', 1),
+        'daily_cap_rub' => (int) env('DADATA_DAILY_CAP_RUB', 10000),
+        'call_cost_kopecks' => (int) env('DADATA_CALL_COST_KOPECKS', 60), // ≈0.60 ₽/вызов, откалибровать по тарифу
+        'enabled' => filter_var(env('LEAD_REGION_RESOLVER_ENABLED', false), FILTER_VALIDATE_BOOL),
+        'cache_ttl_days' => (int) env('PHONE_REGION_CACHE_TTL_DAYS', 30),
+    ],
+
 ];
diff --git a/app/tests/Feature/Services/DaData/DaDataBudgetGuardTest.php b/app/tests/Feature/Services/DaData/DaDataBudgetGuardTest.php
new file mode 100644
index 00000000..e1939d56
--- /dev/null
+++ b/app/tests/Feature/Services/DaData/DaDataBudgetGuardTest.php
@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+use App\Services\DaData\DaDataBudgetGuard;
+
+it('allows spend while under the daily cap', function (): void {
+    config(['services.dadata.daily_cap_rub' => 10]); // 1000 копеек
+    $guard = app(DaDataBudgetGuard::class);
+
+    expect($guard->canSpend())->toBeTrue();
+
+    $guard->recordSpend(500);
+
+    expect($guard->canSpend())->toBeTrue()
+        ->and($guard->spentTodayKopecks())->toBe(500);
+});
+
+it('blocks spend once the daily cap is reached', function (): void {
+    config(['services.dadata.daily_cap_rub' => 1]); // 100 копеек
+    $guard = app(DaDataBudgetGuard::class);
+
+    $guard->recordSpend(100);
+
+    expect($guard->canSpend())->toBeFalse();
+});
+
+it('accumulates spend across multiple calls', function (): void {
+    config(['services.dadata.daily_cap_rub' => 100]);
+    $guard = app(DaDataBudgetGuard::class);
+
+    $guard->recordSpend(30);
+    $guard->recordSpend(70);
+
+    expect($guard->spentTodayKopecks())->toBe(100);
+});
+
+it('starts at zero spend for a fresh day', function (): void {
+    $guard = app(DaDataBudgetGuard::class);
+
+    expect($guard->spentTodayKopecks())->toBe(0);
+});
diff --git a/app/tests/Feature/Services/DaData/DaDataPhoneClientTest.php b/app/tests/Feature/Services/DaData/DaDataPhoneClientTest.php
new file mode 100644
index 00000000..262196d3
--- /dev/null
+++ b/app/tests/Feature/Services/DaData/DaDataPhoneClientTest.php
@@ -0,0 +1,80 @@
+<?php
+
+declare(strict_types=1);
+
+use App\Services\DaData\DaDataException;
+use App\Services\DaData\DaDataPhoneClient;
+use App\Services\DaData\DaDataTimeoutException;
+use Illuminate\Http\Client\ConnectionException;
+use Illuminate\Support\Facades\Http;
+
+it('parses qc=0 mobile response into DTO', function (): void {
+    Http::fake(['cleaner.dadata.ru/*' => Http::response([[
+        'qc' => 0, 'qc_conflict' => 0, 'type' => 'Мобильный', 'phone' => '+7 921 555-12-34',
+        'provider' => 'МегаФон', 'region' => 'Санкт-Петербург и область', 'city' => null, 'timezone' => 'UTC+3',
+    ]], 200)]);
+
+    $resp = app(DaDataPhoneClient::class)->cleanPhone('79215551234');
+
+    expect($resp->qc)->toBe(0)
+        ->and($resp->provider)->toBe('МегаФон')
+        ->and($resp->region)->toBe('Санкт-Петербург и область')
+        ->and($resp->type)->toBe('Мобильный')
+        ->and($resp->raw)->toBeArray();
+});
+
+it('parses qc=3 multiple response', function (): void {
+    Http::fake(['cleaner.dadata.ru/*' => Http::response([[
+        'qc' => 3, 'region' => 'Москва', 'provider' => 'МТС', 'type' => 'Мобильный',
+    ]], 200)]);
+
+    expect(app(DaDataPhoneClient::class)->cleanPhone('79991234567')->qc)->toBe(3);
+});
+
+it('sends Token auth, X-Secret header and json-array body', function (): void {
+    config(['services.dadata.api_key' => 'KEY', 'services.dadata.secret' => 'SEC']);
+    Http::fake(['cleaner.dadata.ru/*' => Http::response([['qc' => 0, 'region' => 'Москва']], 200)]);
+
+    app(DaDataPhoneClient::class)->cleanPhone('79161234567');
+
+    Http::assertSent(function ($request): bool {
+        return $request->url() === 'https://cleaner.dadata.ru/api/v1/clean/phone'
+            && $request->hasHeader('Authorization', 'Token KEY')
+            && $request->hasHeader('X-Secret', 'SEC')
+            && $request->body() === '["79161234567"]';
+    });
+});
+
+it('throws DaDataTimeoutException on connection error', function (): void {
+    Http::fake(fn () => throw new ConnectionException('timeout'));
+
+    expect(fn () => app(DaDataPhoneClient::class)->cleanPhone('79215551234'))
+        ->toThrow(DaDataTimeoutException::class);
+});
+
+it('throws DaDataException on persistent 5xx', function (): void {
+    Http::fake(['cleaner.dadata.ru/*' => Http::response('upstream error', 500)]);
+
+    expect(fn () => app(DaDataPhoneClient::class)->cleanPhone('79215551234'))
+        ->toThrow(DaDataException::class);
+});
+
+it('retries once on 5xx then succeeds', function (): void {
+    Http::fakeSequence('cleaner.dadata.ru/*')
+        ->push('upstream error', 500)
+        ->push([['qc' => 0, 'region' => 'Москва', 'provider' => 'МТС']], 200);
+
+    $resp = app(DaDataPhoneClient::class)->cleanPhone('79161234567');
+
+    expect($resp->qc)->toBe(0);
+    Http::assertSentCount(2);
+});
+
+it('does not retry on 4xx client error', function (): void {
+    Http::fake(['cleaner.dadata.ru/*' => Http::response('bad request', 400)]);
+
+    expect(fn () => app(DaDataPhoneClient::class)->cleanPhone('79161234567'))
+        ->toThrow(DaDataException::class);
+
+    Http::assertSentCount(1);
+});
diff --git a/app/tests/Unit/Support/DaDataRegionMapTest.php b/app/tests/Unit/Support/DaDataRegionMapTest.php
new file mode 100644
index 00000000..3fec0588
--- /dev/null
+++ b/app/tests/Unit/Support/DaDataRegionMapTest.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+use App\Support\DaDataRegionMap;
+use App\Support\RussianRegions;
+
+it('maps exact official names via RussianRegions', function (): void {
+    expect(DaDataRegionMap::toSubjectCode('Москва'))->toBe(82)
+        ->and(DaDataRegionMap::toSubjectCode('Московская область'))->toBe(56)
+        ->and(DaDataRegionMap::toSubjectCode('Санкт-Петербург'))->toBe(83)
+        ->and(DaDataRegionMap::toSubjectCode('Ленинградская область'))->toBe(53);
+});
+
+it('trims surrounding whitespace before mapping', function (): void {
+    expect(DaDataRegionMap::toSubjectCode('  Москва  '))->toBe(82);
+});
+
+it('flags ambiguous agglomeration strings', function (): void {
+    expect(DaDataRegionMap::isAmbiguous('Санкт-Петербург и область'))->toBeTrue()
+        ->and(DaDataRegionMap::isAmbiguous('Москва и область'))->toBeTrue()
+        ->and(DaDataRegionMap::isAmbiguous('Москва'))->toBeFalse()
+        ->and(DaDataRegionMap::isAmbiguous('Санкт-Петербург'))->toBeFalse();
+});
+
+it('returns null for unmappable region', function (): void {
+    expect(DaDataRegionMap::toSubjectCode('Атлантида'))->toBeNull()
+        ->and(DaDataRegionMap::toSubjectCode(''))->toBeNull();
+});
+
+it('resolves all 89 RussianRegions names', function (): void {
+    foreach (RussianRegions::CODE_TO_NAME as $code => $name) {
+        expect(DaDataRegionMap::toSubjectCode($name))->toBe($code);
+    }
+});